Shell jacket from Arc'teryx. Beta AR Jacket is a durable and versatile GORE-TEX® PRO shell with a regular fit, designed for alpine missions and demanding weather conditions. It features a hybrid construction with highly abrasion-resistant GORE-TEX® PRO ePE on the yoke and sleeves, and a lighter fabric on the body to reduce weight. The waterproof, windproof, and breathable ePE membrane is PFAS-free. A helmet-compatible DropHood™ provides adjustable protection, while the built-in RECCO® reflector enhances safety in emergency situations.