On a cold day you want gear built to take the strain, the Patagonia Cap Air Men's Bottoms are knit from Airblasted merino wool yarns, giving them added loft and softness, with a 49% recycled poly content for durability, wicking, and speedy drying. A baselayer that resists odors and dries quickly with a double layer crotch for extra support and a seamless 3D knit structure to eliminate seam chaffing this glides under ski pants and shells to give you a comfortable moisture controlling and insulating layer so you can stay out longer, stay focused on having fun. The zigzag knit traps warm air while allowing moisture to escape and provides a flexible stretch for an easy next to skin fit. Winter wear for winter weather with both the fabric’s content and it’s knit structure working together to keep you comfortable in the cold.