Rab Flux Pull-On

Weighs 222g (Medium size)
Code: SS18168
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Ideal for multi day climbing or long trekking trips, the Flux Pull-On can be worn as a midweight baselayer or lightweight fleece with Polygiene odour control treatment, for comfort and freshness during active use.

Rab says:

Soft to wear next to the skin, the Flux Pull-On is made with Thermic™ single jersey knit with brushed back and thumb loops. Made in a slim fit, soft stitching and low profile seams provide extra comfort. Very wicking and breathable, the Polygiene® odour control treatment stays fresh on trips when you’re active day after day.

Lightweight and packable, the Flux Pull-On is ideal for longer multi day trips where you want to keep the weight down. Whether you’re escaping for weekend bothy adventure or moving hut to hut in the Alps, you can be sure of staying comfortable and fresh.

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RAB's Flux Pull-on can be worn as a midweight baselayer or a lightweight fleece. It's versatility means it's ideal for taking on longer trips when you're unsure of changing weather and want to keep the weight down.

The inside of the fabric has a super soft feel to it where as the outer is smooth so it's easier and more comfortable to layer under another garment. The fabric has been treated with Polygiene permanent odour control meaning it can be worn on multiple days without the need for washing every time.

- Reviewed by Ultralight Outdoor Gear

  • Thermic™ single jersey knit with brushed back
  • Polygiene® STAY FRESH odour control treatment
  • Merrow® Activeseam™ stitching for strong, low profile seams
  • Deep venting YKK® front zip with chin guard
  • Thumb loops
  • Reflective branding
  • Small weighs: 210g
  • Medium weighs: 222g
  • Large weighs: 242g
  • XLarge weighs: 254g
  • XXLarge weighs: 272g
  • Fit: Slim


  • Outer: Thermic™,178g/m2,94% polyester, 6% Elastane
  • Inner: Polygiene® STAY FRESH odour control treatment
Showing our 1 review for Rab Flux Pull-On. Write a review ›
Review Summary - 4 out of 5 based on 1 rating.
November 26, 2018 | Danny - UOG
Comfy, warm but not the best wicking

I've been using a few Rab Flux items this year and love the soft feel of the 2018 Rab Flux pull-on. It's incredibly comfortable against the skin and has lots of stretch to move with you. The problem I've had with it is that it's almost too warm for me. I tend to overheat really easily and the Flux is so effective at keeping you warm I get sweaty and then find it doesn't wick as well as some lighter base layers I've got. If you feel the cold and need extra warmth and insulation the Flux is perfect, I tend to use it as my sleeping base layer of choice now.

Ultralight Outdoor Gear Limited