Proton Crew Pullover Men's narrow mouth Or who leaves the house

Or who leaves the house when it’s already raining

15 optimized vents

Airy and more durable inseam fabric

cuffs and hem offers premium comfort and durability for lasting wear

metal-button closure and a zip fly

Proton Crew Pullover Men's narrow mouth Or who leaves the houseHikes, 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