Women's Arc'teryx Gamma SL Hoody size M, Cobalt Moon Light, stretchy, wind and water resistant (NOT waterproof) Fortius™ DW 1.0 fabric is lightweight and durable, and offers 4-way stretch Adjustable low-profile StormHood™ shields you from the weather Low-profile elasticated cuffs seal out the cold Zippered hand pockets stash your must-haves Adjustable hem cord provides a secure fit 87% nylon/13% elastane Back Length: 25.8 inches