A slim fit high-loft double weave fabric this lightweight layering piece is designed to be climbing harness friendly, layerable, durable, and packable. It’s the “sub-mid” layer that adds extra core warmth under a puffy and shell in the depths of winter, the layer to wear on the climb up with a fabric built to wick and breath to keep the optimal core temperature when you’re active in the cold.. just pop on a puffy at the top to maintain the right comfort level for your trip back down. Versatile and technical this is made for women who are active in cool and cold weather, with a DWR coating to repel mist and damp and a fabric that moves moisture so you stay in your core comfort zone. Boot pack summit attack, colder season climbs, next spring hikes, cross-country ski days0 from winter biking if you’re into that extreme to town trail runs this is the multi-purpose layering piece built for success.