Beta SL Jacket Men's is a light, packable GORE-TEX ePE shell jacket designed for hiking, built to be a light, packable outer layer that provides waterproof, windproof, breathable protection in mountain conditions. Product Type: Men's waterproof shell jacket Material: GORE-TEX Weight: 340g GORE-TEX ePE membrane is PFC-free C-KNIT backer technology improves comfort and breathability Helmet-compatible StormHood, pit zippers for ventilation, and a RECCO reflector For hiking, pair it with a midlayer from hiking fleece and footwear from men’s hiking shoes . 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. Need a heavier option? Try the Beta Jacket.