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

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

metal-button closure and a zip fly

Airy and more durable inseam fabric

cuffs and hem offers premium comfort and durability for lasting wear

The waist belt is ergonomic and features our Pull-Forward system to create a snug

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