The Arc'teryx Men's Beta Insulated GORE-TEX Jacket is your winter hiking saviour. Excelling in the cold & wet, the GORE-TEX outer blocks wind & rain, while Coreloft 80 synthetic insulation gives reliable warmth. Features include a helmet compatible Storm Hood, which adjusts for optimal peripheral vision, & underarm pit zips to enhance ventilation. Internal & external pockets make it easy to stash trail essentials. Articulated patterning & a regular fit ensure comfort & compatibility with your other cold-weather layers. Equipped with a RECCO reflector, the passive device aids detection in search & rescue emergencies.