An innovative, lightweight jacket you can wear all day long, even during intense activities like climbing, hiking or ski touring. Engineered for active mountain comfort, Mammut LOOPINSULATION Active – a 100% recycled filling made from 50% industrial rope production offcuts & 50% rPET – breathes & stretches as you move and locks in warmth when you stop. The tight-fitting under-helmet hood and elasticated cuffs and hem help retain heat in colder sections. And three zippered pockets, including two harness-compatible side pockets, make this a practical, versatile outer layer. The Aenergy Air IN Hooded Jacket is built for high-performance adventures in the cold.