The Men's Summit Mountain GTX Pro Jacket serves as a pinnacle mountaineering layer. Built for harsh alpine conditions when protection is nonnegotiable, it pairs durable GORE-TEX Pro 3L construction with lightweight Spectra(R) ripstop reinforcement in high-wear zones. Fit & Design: Regular fit with articulated patterning for mobility Adjustable, helmet-compatible hood with bonded brim Two-way front zip with perforated internal draft flap Underarm zip vents for temperature regulation Two chest pockets with internal gear loop and mesh pouch Two harness- and pack-compatible alpine pockets Two large internal mesh drop-in pockets Soft brushed-tricot chin guard and neck lining Adjustable hook-and-loop cuffs Internal dual-adjust hem cinch-cord Integrated center-back locker loop Technology: Durably waterproof, windproof, and breathable GORE-TEX Pro 3L construction Targeted Spectra(R) ripstop panels in high-wear areas for ultra-lightweight durability Fluorine-free durable water-repellent (DWR) finish sheds light moisture Additional Details: Summit Series(TM) high-alpine collection Main-body fabric crafted from 100% recycled nylon