With low-profile seams to minimize bulk and maximize comfort, the slim-fit Women's Summit Pro 120 Crew is an adventure-ready, lightweight base layer made for any type of cold-weather exploration. DotKnit fabric helps manage moisture build-up and thumbholes at the cuff prevent the sleeves from riding up when worn with additional layers. Slim fit Double-knit DotKnit fabric features targeted yarn construction for optimized moisture management Engineered holes in the face fabric accelerate moisture transfer Raglan sleeves and underarm gussets for mobility Minimal seams for reduced bulk Merrow stitching for strength and comfort against the skin Thumbholes at cuffs