Proton Crew Pullover Men's narrow mouth and UPF 50+ even in

and UPF 50+ even in the lightest shades for the ultimate protection

Airy and more durable inseam fabric

metal-button closure and a zip fly

Hood with drawstrings

Proton Crew Pullover Men's narrow mouth and UPF 50+ even inHikes, approaches, backcountry tours, a day at the crags the exceptionally versatile Proton Crew gives you lightweight warmth, temperature regulating airflow, and freedom to move. Soft and comfortable, ultralight Octa Loft insulations combination of warmth and breathability maintains thermal comfort. The air permeable Fortius Air 50 outer is light, durable, and has performance stretch. A DWR treatment repels moisture. Midlayer or standalone youll wear