Those of us that do not charge quite as hard as Eric Hjorleifson

full interior stretch

Humanely sourced blended wool liner

Inseam gusset

Arc'teryx Atom SL Hoody W category_allmoutainpoles Those of us that doLighter than the original, the Atom SL Hoody is one of the most useful (and packable) pieces you can own. Wear it as a standalone layer when trail runs take you through cold, wet weather or layer it with a waterproof shell when mountain pursuits demand additional warmth and mobility. Breathable and weather resistant, it has stretch insulation in the body but not the sleeves or hood maximizing packability while still delivering focused warmth to your