Built for the moments when every gram counts and every move matters, The North Face Summit Casaval Hybrid Hoodie delivers athlete-tested performance for serious mountaineers and alpine climbers tackling multi-day backcountry adventures. The innovative seamless shoulder construction eliminates pressure points when carrying heavy packs, while 60g Ventrix™ synthetic insulation with perforated back panels provides dynamic thermal regulation that adapts to your output level. Whether you're pushing toward a summit with a helmet on or navigating technical terrain with a loaded pack, the hybrid stretch construction and helmet-compatible hood ensure unrestricted mobility and protection when conditions demand your absolute best.