Proton Crew Pullover Men's denim warm—but it’s made from temperature-regulating

warm—but it’s made from temperature-regulating and breathable polyester

sport-influenced surfacing and sweeping lens shape

because our Sol Searcher collection is different

The helmet-compatible StormHood™ gives full coverage without impeding sight lines

Proton Crew Pullover Men's denim warm—but it’s made from temperature-regulatingHikes, 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