Alpha SL Jacket - Women's by ARCTERYX goretex Compact, lightweight N40r Gore-Tex fabric with Paclite product technology Trim fit with e3D adds mobility yet keeps fit close to enhance breathability, improves line of vision to see the gear on your harness Helmet-compatible StormHood Two piece Hemlock inserts pack smaller and work with hem drawcord to prevent jacket from slipping out from underneath a harness Single external chest pocket. Included stuff sack has a clip-in webbing loop