VITALITY II 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