Light, packable all-mountain GORE-TEX ePE shell with an extensive feature set. *The Beta SL Jacket was previously the Beta Lightweight Jacket. The Beta SL Jacket – our lightest Beta – is built for mountain realities. Highly versatile, it’s carefully designed to deliver complete waterproof, windproof, breathable protection without sacrificing lightweight packability. Its innovative GORE-TEX ePE membrane is light, strong, and PFC free. C-KNIT backer technology improves comfort and breathability. The helmet-compatible StormHood protects without compromising vision, pit zippers ventilate, and a RECCO reflector can aid in search situations. Beta Versatile: high performance for diverse activities and conditions. Trail For technical mountain activities, durable and protective designs with a focus on freedom of movement for remote and varied conditions. Superlight Superlight materials and design, emphasizing lightweight and packability over durability. GORE-TEX Waterproof, windproof and breathable textiles that offer fully protective environmental shelter.