The Oakley Butter Tech Fleece is engineered for demanding backcountry and alpine environments. It features strategically placed Cordura nylon panels at the neck, shoulders, and elbows to significantly boost durability against backpack straps and technical gear. The main body is constructed from lightweight, breathable 100% recycled polyester to provide optimal thermal insulation while efficiently managing moisture during high-output riding. A practical quarter-zip opening allows for efficient ventilation and easy temperature adjustments during intense physical exertion. Additionally, it includes a secure zippered kangaroo pocket alongside elastic binding at the cuffs and hem to lock in body heat and block out mountain drafts. Oakley Men's Black Snow Butter Tech Fleece FOA406110-001, Large