The Atomic Ridgeline Hybrid Down Insulator is a multi-purpose mid-layer for women that can be worn under the Revent 3L GTX Jacket or on its own, as a stand-alone piece. Constructed using PrimaLoft® Down Blend, it provides incredible warmth in a very slim and packable design. It also uses Pertex® Endurance fabric that’s water and wind-resistant, which makes for a great jacket to wear while skiing or around town.Tech Features:- Pertex® Endurance / Elastane stretch inserts- Primaloft Silver Down Blend (650 Fill Power, 90/10 White Duck Down) - Comfortable Fit - Helmet Compatible Hood - Elastic Sleeve Cuffs - Hand Pockets / Ski Pass Pocket - YKK® Zippers - Bottom Hem Adjustment / Packable