Arc'teryx Alpha SL 3L

The Arc'teryx Alpha SL is an ultralight 3L shell designed for technical alpine climbing and demanding mountain days. Its GORE-TEX PRO ePE construction delivers fully waterproof protection, dependable durability and excellent breathability while keeping weight to a minimum.

A helmet-compatible StormHood™ and focused performance design make it especially well suited to minimalist climbers and alpinists who need reliable protection in rapidly changing weather. It is a pure mountain shell for users who prioritize capability, low weight and uncompromising performance.