This Optimal Comfort® polo shirt is made of 100% Reda Active® merino jersey

while the 100% nylon outer fabric is treated with a PFAS-free DWR finish for added moisture resistance

In low visibility conditions

Low-profile single-layer hood designed to layer seamlessly under helmets or outer shells

EPP + EPS + ABS shell combo creates most durable foam helmet in Black Diamond line-up

the mountain studio ultralight down vest men Size:XXL This Optimal Comfort® polo shirtThe V 3 UL Ultralight Down Vest is designed for those who value warmth without excess bulk, making it a practical vest for hiking, biking, or city routines. The collarless construction creates a modern, streamlined profile, allowing for easy layering under a shell or over a shirt. This ultralight down vest is well suited for cool mornings, transitional weather, or as a lightweight warm midlayer during winter activities. Filled with RDS certified down