Active Insulation

The women's Alpha Flash Jacket is a highly breathable, lightweight, packable active insulation using Polartec Alpha ‘Direct’ technology and zoned stretch fleece for active use.   Rab says:  Inspired by the latest innovatio…

A hybrid insulated mid-layer that is ideally suited to those needing to move fast over technical ground. The versatile piece is a fantastic all-rounder providing a balance of warmth, breathability and temperature control. Mountain Equipment says A..…

The Nano-Air Jacket was made to be worn for the entirety of your aerobic, start-stop alpine missions, so you’re never slowed down by changing layers. Warm, stretchy and breathable FullRange insulation dumps excess heat when you’re going h…