Baselayer - Long Sleeves

NEW Season Baselayer
NEW Season Baselayer
21 products
Zip Neck
Zip Neck
10 products
Crew Neck
Crew Neck
23 products
Icebreaker Baselayers
Icebreaker Baselayers
2 products
Patagonia Baselayers
Patagonia Baselayers
4 products
Rab Baselayers
Rab Baselayers
3 products
Show Filters
  • Cool Light Long Sleeve Tee Cool Light Long Sleeve Tee
    + Quick Add

    Montbell

    Cool Light Long Sleeve Tee

    Weighs
    103g
    Weighs:
    103g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Crew Neck

    Breathable, featherlight, and built for movement in the height of summer. Montbell says: Made of the lightest knit t-shirt fabric in Montbell's lineup and designed for intense workouts, high-output days on the trail, or activities during the hottest.…

    £49.99
    RRP: £49.99
    + Quick Add
  • Mammut Aenergy FL Longsleeve Mammut Aenergy FL Longsleeve
    + Quick Add

    Mammut

    Aenergy FL Longsleeve

    Weighs
    113g
    Weighs:
    113g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Crew Neck

    Mammut Aenergy FL Longsleeve combines exceptional lightness, advanced functionality, and sustainability. Strategically placed mesh ventilation zones promote breathability and moisture management. Mammut says:  Our lightest and most technical fi…

    £64.99
    RRP: £69.99 | Save: £5.00
    + Quick Add
  • Sonic LS Zip Sonic LS Zip
    + Quick Add

    Rab

    Sonic LS Zip

    Weighs
    113g
    Weighs:
    113g (Medium)
    Neck Style:
    Zip Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Synthetic

    Protective, quick-wicking, and lightweight, this comfortable long-sleeve, half-zip tee is perfect for mountain running and fast hiking. Rab says: The Sonic LS Zip is an efficient, long sleeve layer, ideal for mountain running and fast hiking. Design…

    £39.99
    RRP: £44.99 | Save: £5.00
    + Quick Add
  • Core Hoodie OMM Core Hoodie
    + Quick Add

    OMM

    Core Hoodie

    Weighs
    116g
    Eco Initiatives:
    Recycled Content, Bluesign
    Weighs:
    116g (Medium)
    Insulation Level:
    Moderate Insulation
    Zip length:
    No Zip
    Hooded:
    Yes
    Baselayer Fabric:
    Synthetic

    The Core Hoodie is a minimalist piece designed for active insulation. It adds warmth but is highly breathable and focused on wicking moisture and regulating body temperature when exercising. OMM says A new concept in active insulation, the OMM Core.…

    £94.99
    RRP: £99.99 | Save: £5.00
    + Quick Add
  • Montane Dart Lite Long Sleeve T-Shirt - Past Season Colours Montane Dart Lite Long Sleeve T-Shirt - Past Season Colours
    + Quick Add

    Montane

    Dart Lite Long Sleeve T-Shirt - Past Season Colours

    Weighs
    121g
    Weighs:
    121g (size medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Crew Neck

    UOG TOP PICK - Dart Lite Long Sleeve T-Shirt Dart Lite Long Sleeve T-Shirt is a fully recycled Synthetic technical T-Shirt/base layer that offers a highly breathable and odour-resistant layer. It's one of our favourite baselayers and one of our top..…

    £34.99
    RRP: £49.99 | Save: £15.00
    + Quick Add
  • Dart Lite Long Sleeve T-Shirt Dart Lite Long Sleeve T-Shirt
    + Quick Add

    Montane

    Dart Lite Long Sleeve T-Shirt

    Weighs
    121g
    Weighs:
    121g (size medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Crew Neck

    UOG TOP PICK - Dart Lite Long Sleeve T-Shirt Dart Lite Long Sleeve T-Shirt is a fully recycled Synthetic technical T-Shirt/base layer that offers a highly breathable and odour-resistant layer. It's one of our favourite baselayers and one of our top..…

    £42.99
    RRP: £49.99 | Save: £7.00
    + Quick Add
  • Aenergy FL Half Zip Longsleeve Aenergy FL Half Zip Longsleeve
    + Quick Add

    Mammut

    Aenergy FL Half Zip Longsleeve

    Actual:
    129g
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Zip Neck

    A well-fitting base layer with an impressively large zip that ventilates heat quickly when you need it to. Mammut says:  Our lightest and most technical first layer is a true multi-sport MVP. Airy and breathable with offset merrow stitching, it…

    £69.99
    RRP: £74.99 | Save: £5.00
    + Quick Add
  • Force LS Tee Force LS Tee
    + Quick Add

    Rab

    Force LS Tee

    Weighs
    130g
    Weighs:
    130g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Athletic/Close Fit
    Baselayer Fabric:
    Synthetic

    UOG TOP PICK - Force LS Tee Rab's Force LS Tee is a next-to-skin technical short sleeve tee with Polygiene odour control treatment, designed for comfort and freshness during active use, one of our top picks! Rab says: Designed comfort next to skin, t…

    £34.99
    RRP: £39.99 | Save: £5.00
    + Quick Add
  • 2024 Dart Long Sleeve T-Shirt Citrus Spring Dart Long Sleeve T-Shirt - Past Season Colours
    + Quick Add

    Montane

    Dart Long Sleeve T-Shirt - Past Season Colours

    Weighs
    141g
    Weighs:
    141g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Crew Neck

    A staple in Montane's iconic Dart range, this long-sleeved T-shirt continues to deliver reliable performance and comfort for year-round mountain adventures. Montane says:  The Dart Long Sleeve T-Shirt is a classic, all-season, all-mountain techn…

    £20.99
    RRP: £34.99 | Save: £14.00
    + Quick Add
  • Dart Long Sleeve T-Shirt Dart Long Sleeve T-Shirt
    + Quick Add

    Montane

    Dart Long Sleeve T-Shirt

    Weighs
    141g
    Weighs:
    141g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Crew Neck

    A staple in Montane's iconic Dart range, this long-sleeved T-shirt continues to deliver reliable performance and comfort for year-round mountain adventures. Montane says:  The Dart Long Sleeve T-Shirt is a classic, all-season, all-mountain techn…

    £30.99
    RRP: £34.99 | Save: £4.00
    + Quick Add
  • Ignis LS Zip Tee Ignis LS Zip Tee
    + Quick Add

    Mountain Equipment

    Ignis LS Zip Tee

    Weighs
    141g
    Weighs:
    141g (size medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Zip Neck

    UOG TOP PICK -Ignis LS Zip Tee The Mountain Equipment Ignis LS Zip Tee is a fabulous wicking next-to-skin layer that uses Polygiene to reduce odour build-up. It has a deep zip for venting and is, one of our top picks! Mountain Equipment says:  T…

    £39.99
    RRP: £44.99 | Save: £5.00
    + Quick Add
  • Fjallraven Abisko Day Hike LS Fjallraven Abisko Day Hike LS
    + Quick Add

    Fjallraven

    Abisko Day Hike LS - Past Season Colours

    Weighs
    142g
    Weighs:
    142g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Crew Neck

    Lightweight, long-sleeved top for hiking and outdoor life in warm, sunny climates. Produced without PFCs, made for a lifetime of use. Fjallraven says:  Lightweight, functional long-sleeved top for men that is suitable for outdoor life and...

    £54.99
    RRP: £74.99 | Save: £20.00
    + Quick Add
  • Abisko Day Hike LS Fjallraven Abisko Day Hike LS
    + Quick Add

    Fjallraven

    Abisko Day Hike LS

    Weighs
    142g
    Weighs:
    142g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Crew Neck

    Lightweight, long-sleeved top for hiking and outdoor life in warm, sunny climates. Produced without PFCs, made for a lifetime of use. Fjallraven says:  Lightweight, functional long-sleeved top for men that is suitable for outdoor life and...

    £64.99
    RRP: £74.99 | Save: £10.00
    + Quick Add
  • 24/7 Tech Tee LS Crew - Past Season Colour Berghaus 24/7 Tech Tee LS Crew - Past Season Colour
    + Quick Add

    Berghaus

    24/7 Tech Tee LS Crew - Past Season Colour

    Weighs
    150g
    Eco Initiatives:
    Bluesign
    Weighs:
    150g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Synthetic

    This technical tee has been designed to be an all-rounder. The soft, comfortable feel is backed up with high wicking, breathable qualities to give you a versatile top. Berghaus says Simple, classic t-shirts are always the best. Comfortable and elega…

    £24.99
    RRP: £34.99 | Save: £10.00
    + Quick Add
  • 2025 Nava LS Zip Tee Nava LS Zip Tee
    + Quick Add

    Mountain Equipment

    Nava LS Zip Tee

    Weighs
    152g
    Weighs:
    152g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Zip Neck

    A strong choice as a year-round base layer or standalone in warmer temps, especially for those prioritising breathability and low bulk. Mountain Equipment says:  Experience the ultimate in comfort and performance with the Nava Zip T. Its lightwe…

    £44.99
    RRP: £49.99 | Save: £5.00
    + Quick Add
  • L/S Capilene Cool Daily Graphic T-Shirt L/S Capilene Cool Daily Graphic T-Shirt
    + Quick Add

    Patagonia

    L/S Capilene Cool Daily Graphic T-Shirt

    Weighs
    158g
    Weighs:
    158g (size Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Synthetic

    A super soft and silky base layer providing comfort whatever your doing with Polygiene odour control to keep you feeling fresh. Patagonia says Soft, quick-drying and stretchy, our Capilene® Cool Daily is our most versatile performance knit for..…

    £54.99
    RRP: £59.99 | Save: £5.00
    + Quick Add
  • 24/7 Tech Tee LS Half Zip 24/7 Tech Tee LS Half Zip
    + Quick Add

    Berghaus

    24/7 Tech Tee LS Half Zip

    Weighs
    158g
    Eco Initiatives:
    Bluesign
    Weighs:
    158g (Medium)
    Neck Style:
    Zip Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Synthetic

    This technical tee has been designed to be an all-rounder with the addition of the half length zip. The soft, comfortable feel is backed up with high wicking, breathable qualities to give you a versatile top. Berghaus says Simple, classic t-shirts a…

    £32.99
    RRP: £37.99 | Save: £5.00
    + Quick Add
  • Alpenglow LS Crew Alpenglow LS Crew
    + Quick Add

    Black Diamond

    Alpenglow LS Crew

    Weighs
    162g
    Weighs:
    162g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Synthetic

    The Alpenglow is a technical fitting base layer that offers comfortable fit and protection from overheating with the BD.cool technology, making it perfect for climbing and other high activity sports.  Black Diamond says:  A technical fit pa…

    £54.99
    RRP: £59.99 | Save: £5.00
    + Quick Add
  • Capilene Thermal Weight Crew Capilene Thermal Weight Crew
    + Quick Add

    Patagonia

    Capilene Thermal Weight Crew

    Weighs
    172g
    Weighs:
    172g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Crew Neck

    Patagonia's warmest, most breathable Capilene baselayer is made with low-bulk Polartec Power Grid fabric with Polygiene permanent odor control and is Fair Trade Certified for sewing. Patagonia says:  When temperatures drop, grab this lightweight…

    £84.99
    RRP: £89.99 | Save: £5.00
    + Quick Add
  • OMM Bearing Tee L/S OMM Bearing Tee L/S
    + Quick Add

    OMM

    Bearing Tee L/S

    Weighs
    174g
    Weighs:
    174g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Synthetic

    The OMM Bearing Tee LS is a long sleeved, full coverage technical baselayer that is high wicking with UV protection. Great for training and every day use due to the high stretch and comfort. OMM says: The long sleeve Bearing tee uses our 4 way coolp…

    £29.99
    RRP: £34.99 | Save: £5.00
    + Quick Add
  • Patagonia Capilene Midweight Crew Patagonia Capilene Midweight Crew
    + Quick Add

    Patagonia

    Capilene Midweight Crew

    Weighs
    174g
    Weighs:
    174g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Athletic/Close Fit
    Baselayer Fabric:
    Synthetic

    The classic, go-anywhere all-around baselayer, made with 100% recycled content. The smooth, soft face makes for easy layering; hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ Fresh durable odor control keeps.…

    £69.99
    RRP: £79.99 | Save: £10.00
    + Quick Add
  • Capilene Thermal Weight Zip Neck Patagonia Capilene Thermal Weight Zip Neck
    + Quick Add

    Patagonia

    Capilene Thermal Weight Zip Neck

    Weighs
    175g
    Weighs:
    175g (size Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Zip Neck

    Warm, breathable, and packed with practical features, this baselayer is a top choice for cold-weather adventures. Patagonia says:  A breathable, lofted baselayer to keep you warm in cold conditions. Polartec® Power Grid® fabric with...

    £99.99
    RRP: £109.99 | Save: £10.00
    + Quick Add
  • Hike Lite LS T-Shirt Hike Lite LS T-Shirt
    + Quick Add

    Turbat

    Hike Lite LS T-Shirt

    Weighs
    180g
    Weighs:
    180g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Crew Neck

    A well-tuned long-sleeve layer that performs in heat without feeling heavy or overbuilt. Turbat says:  The updated series of Hike thermal T-shirts with the lighter and more elastic material, provide better moisture removal and comfort during...

    £24.99
    RRP: £34.99 | Save: £10.00
    + Quick Add
  • OMM Core Hoodie OMM Core Hoodie
    + Quick Add

    OMM

    Core+ Hoodie

    Weighs
    182g
    Weighs:
    182g (Medium)
    Insulation Level:
    Moderate Insulation
    Zip length:
    No Zip
    Hooded:
    Yes
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit

    UOG TOP PICK— OMM's Core+ Hoodie is a superlight base/midlayer using Primaloft ACTIVE 125g to reduce weight to a third that of conventional fleece products. A Top Pick OMM says A new concept in active insulation, the OMM Core Range is made enti…

    £104.99
    RRP: £109.99 | Save: £5.00
    + Quick Add
  • Conduit Crew Rab Conduit Crew
    + Quick Add

    Rab

    Conduit Crew

    Weighs
    183g
    Weighs:
    183g (size Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Crew Neck

    A soft and light base-layer for the colder months, that can also double as a lightweight fleece the rest of the year. Rab says:  A thin, lightweight, crew made with 92% recycled fabric. This Thermic™ G baselayer excels in cold conditions..…

    £49.99
    RRP: £59.99 | Save: £10.00
    + Quick Add
  • Alpenglow Hoody Alpenglow Hoody
    + Quick Add

    Black Diamond

    Alpenglow Hoody

    Weighs
    189g
    Weighs:
    189g (Medium)
    Neck Style:
    Crew Neck
    Baselayer Fit:
    Regular Fit
    Baselayer Fabric:
    Synthetic

    The Alpenglow is a technical fitting base layer that offers comfortable fit and protection from overheating with the BD.cool technology, making it perfect for climbing and other high activity sports.  Black Diamond says:  A technical fit pa…

    £69.99
    RRP: £74.99 | Save: £5.00
    + Quick Add
  • Redline LS Tee Redline LS Tee
    + Quick Add

    Mountain Equipment

    Redline LS Tee

    Weighs
    191g
    Weighs:
    191g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Crew Neck

    The Mountain Equipment Redline LS Tee offers lightweight durability, moisture-wicking, and quick-drying capabilities that are ideal for layering. Mountain Equipment says:  This comfortable long sleeved tee can be worn alone on south facing rock.…

    £45.99
    RRP: £49.99 | Save: £4.00
    + Quick Add
  • Patagonia Capilene Midweight Zip Neck Patagonia Capilene Midweight Zip Neck
    + Quick Add

    Patagonia

    Capilene Midweight Zip Neck

    Weighs
    196g
    Weighs:
    196g (Medium)
    Neck Style:
    Zip Neck
    Baselayer Fit:
    Athletic/Close Fit
    Baselayer Fabric:
    Synthetic

    Our classic, go-anywhere all-around baselayer, made with 100% recycled content. The smooth, soft face makes for easy layering; hollow-core yarns and a diamond-grid back trap warm air, wick moisture and dry fast. HeiQ Fresh durable odor control keeps.…

    £79.99
    RRP: £89.99 | Save: £10.00
    + Quick Add
  • Dart XT Zip Neck Dart XT Zip Neck
    + Quick Add

    Montane

    Dart XT Zip Neck

    Weighs
    216g
    Weighs:
    216g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Regular Fit
    Neck Style:
    Zip Neck

    UOG TOP PICK - Dart XT Zip Neck A warm, well-fitting and incredibly soft and highly mobile baselayer for winter trail running and cooler weather hiking. It's one of our favourite winter baselayers and one of our top picks! Montane says:  High...

    £54.99
    RRP: £59.99 | Save: £5.00
    + Quick Add
  • Cerrig LS Zip T Cerrig LS Zip T
    + Quick Add

    Mountain Equipment

    Cerrig LS Zip T

    Weighs
    220g
    Weighs:
    220g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit
    Neck Style:
    Zip Neck

    Quick-drying, breathable, and sustainably made, the Cerrig LS Zip T is a reliable base layer for adventurers tackling cold-weather challenges. Mountain Equipment says:  A winter-weight technical tee that efficiently wicks away moisture and dries…

    £49.99
    RRP: £54.99 | Save: £5.00
    + Quick Add
  • Turbat Hike Lite LS Hood T-Shirt Turbat Hike Lite LS Hood T-Shirt
    + Quick Add

    Turbat

    Hike Lite LS Hood T-Shirt

    Weighs
    224g
    Weighs:
    224g (Medium)
    Baselayer Fabric:
    Synthetic
    Baselayer Fit:
    Athletic/Close Fit

    UOG TOP PICK – For Reliable Warm-Weather Coverage: Light, breathable, and cut for comfort, the Turbat Hike Lite LS Hood T-Shirt delivers dependable sun protection and moisture management for active days under a hot sky. Turbat says:  Turba…

    £29.99
    RRP: £39.99 | Save: £10.00
    + Quick Add
Show More