From the skin track to alpine walls, the Black Diamond Coefficient LT Hybrid Hoodie is ready to keep you comfortable when you're resting or moving at maximum output. The Primaloft front panel blocks wind and cold and the Polartec fleece is breathable and wicking. The zippered chest pocket adds a little bit of storage without taking away from the sleek design and a slim fit lets you layer up or stash it away for maximum versatility.