warmth-to-weight ratio

• FRAME MATERIAL - Lightweight and durable BiO-Matter® frame provides all-day comfort

tested in the wind tunnel and capable of providing an extraordinary CX rate

SEI OTTO UNO is a turtleneck with half zip and customized puller

Anti-abraision and water-repellent upper

mammut crater light hs hooded jacket men 39665 warmth-to-weight ratioThe go to jacket for technical trails and multi day hikes especially when the weather isn't on your side. This 3 layer GORE TEX ePE membrane jacket features high level waterproofing, wind protection, and breathability, to wick away sweat while keeping rain and wind out. And the hardshell does so with a reduced carbon footprint, thanks to the PFC free ePE membrane, recycled polyester fabric, solution dyed backer, and an easily repairable design. With a