The Arc'teryx Beta SL Jacket is the lightest in the Beta series, designed to meet the demands of mountain environments. This highly adaptable jacket offers complete waterproof, windproof, and breathable protection while maintaining a lightweight and packable design. The innovative GORE-TEX ePE membrane is not only light and strong but also PFC-free, making it an eco-friendly choice. Enhanced comfort and breathability are provided by the C-KNIT backer technology. The helmet-compatible StormHood ensures full protection without obstructing vision, pit zippers allow for efficient ventilation, and a RECCO reflector can assist in search and rescue operations. Complete waterproof, windproof, and breathable protection Lightweight and packable design Eco-friendly GORE-TEX ePE membrane Enhanced comfort with C-KNIT backer technology Helmet-compatible StormHood for full coverage without vision compromise Efficient ventilation with pit zippers RECCO reflector for search and rescue assistance Weight