New

Sea to Summit Alto TR1 Plus Tent

3+ Season / 1 Person / Mesh Inner / Height: 105cm, Length 215cm / Single Entrance
Weighs 994g (excludes pegs & bags)
Code: SS21336
  • Now £389.99
  • (FREE Delivery on orders over £15)
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The Alto is the new flag ship design for a practical, ultralight tent from Sea to Summit. Packed with innovative features this lightweight tent has a good amount of space and is designed to be user friendly.

Sea to Summit says:

The one-person, semi-freestanding Alto TR1 PLUS with full fabric inner, is where ultralight tents meet class-leading space and comfort for cooler climates. Our patent-pending Tension Ridge Architecture means this tent has unmatched useable room, a high ceiling, an oversized door and a large vestibule for storing gear. A truly effective and adjustable ventilation system and multiple set-up modes also make this backpacking tent the epitome of comfort and versatility. Designed for cooler climates, the breathable full fabric inner blocks wind while allowing humid air to escape.

Though the Alto TR1 PLUS weighs only 1056g | 2lb 5.2oz (minimum trail weight), it’s packed full of intuitive features, like our FairShare Storage System, which is comprised of dual-use storage bags that can be clipped into your tent to create extra storage and our illuminating Lightbar. With a full fabric inner and DAC’s world-class Featherlite NFL and PRESSFIT pole sections, the Alto TR1 is primed for fast-and-light cool-climate solo exploits.

Sea to Summit's Alto TR1 Plus Tent is a 3+ season one person tent in the new range. The Alto is designed with a balance of low weight and plenty of usable space and it does this really well. The full range of tents use the innovative Tension Ridge pole design which increases head height, creates more space and improves ventilation. The placement and design of the vents is also a well thought out aspect that allows you to keep condensation to a minimum. There is a really good amount of internal space and vestibule space for sitting up in, cooking and storing all your kit.

There are a range of interesting features included which some people will love and others will probably find gimmicky. However, it's great to see any company trying new ideas such as the Lightbar, FairShare storage system which then doubles up for additional storage pockets and a number of practical touches with guy cords and pegs. The set up is designed to maximise versatility with a number of options including fly only, inner only and other more interesting ones depending on the weather. This Plus version comes with a full fabric inner. This does increase the weight slightly but it is worth it if you are camping in colder conditions as it keep out draughts and keeps in heat much better than the mesh inner version.

- Reviewed by Ultralight Outdoor Gear

Read reviews here:

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  • Patent-pending Tension Ridge Architecture creates class-leading usable space, height and climate control.
  • Oversized Apex Vent efficiently expels hot air to prevent condensation build-up.
  • Baseline and Apex Vents work together to create superior airflow and are easily adjusted from inside the tent.
  • Breathable Nylon fabric canopy with seam-taped 2500mm waterhead floor for dependable performance in cold and wet conditions.
  • Dual layer adjustable vents on inner ceiling and doors allow airflow without compromising insect protection.
  • FairShare Storage System allows you to distribute weight evenly between friends or within your pack.
  • Lightbar: tent pole bag doubles as a ceiling-mounted light-diffuser, when used in combination with your headlamp.
  • Patent-pending and easy-to-use Quick Connect Tent Feet allow one-handed attachment and adjustments.
  • Ultimate versatility with five set-up configurations: Dry Set-Up, Fly Only, Inner Only, Partial Fly and Classic Mode.
  • Large vestibule provides plenty of space to store gear and protect it from the elements.
  • Tall-wide doors allow for comfortable access and expansive views outside for a more liveable interior.
  • Easily adjustable Ground Control Guy Cords with quick-connect V-Toggles can be attached or removed from multiple guy loops to suit wind conditions.
  • Available accessories: Bigfoot Footprint, Lightfoot Footprint, Gear Loft, additional Ground Control Light Tent Pegs and Guy Cords.

Our Specs

  • Inner tent weighs: 386g
  • Flysheet weighs: 340g
  • Poleset weighs: 268g
  • Total weight for comparison: 994g (excludes pegs and bags)
  • 9x pegs supplied weigh: 66g

Sea to Summit Specs

  • Capacity: 1 Person
  • Minimum trail weight: 1056g (includes fly, inner + poles)
  • Fast fly weight: 781g (this includes fly, poles + footprint)
  • Packaged weight: 1228g
  • Outer tent dimensions (HxWxL): 109 x 169 x 223cm
  • Inner tent dimensions (HxWxL): 105 x 107 x 215cm
  • Packed size: 11 x 11 x 44cm
  • Door height: 108cm
  • Floor area: 19.5 ft / 1.81 m2
  • Total area: 27 ft / 2.5 m2
  • Vestibule area: 7.5 ft / 0.7 m2
  • Season: 3+ season
  • Seam sealed: Yes
  • Number of vestibules: 1
  • Number of pegs included: 9
  • Number of guylines: 2 x 1m, 2 x 2.2m
  • Fits Sea to Summit Mats: 1 Large Tapered
  • Repair kit: Yes (includes self-adhesive fabric repair patches + pole repair splint)

Construction & Materials

  • Silicone and Polyether Poly-Urethane (Sil-PeU) coated 15D fly fabric provides excellent hydrolytic stability for durable waterproof performance.
  • 1200mm waterhead 15D fly and 2500mm 20D floor, both with fully-taped and waterproof seams.
  • DAC Featherlite NFL and PRESSFIT pole sections with varying diameters for maximum strength at minimum weight.
  • Strong 7075-T6 aluminium alloy Ground Control Light Tent Pegs provide secure anchoring thanks to the custom TriPoint, multi-notch design.
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