As the lightest shell in the series, the Beta SL provides complete waterproof and windproof protection while maintaining exceptional packability for mountain travel. It utilizes a sustainable, PFC-free GORE-TEX ePE membrane and a soft C-KNIT™ backer to deliver high breathability and next-to-skin comfort. The design is rounded out with essential mountain features, including a helmet-compatible StormHood™, pit zippers for ventilation, and an integrated RECCO® reflector for added safety.