North Face Women's DotKnit Crew in Black, Size XS Perfect base layer for skiing and other winter sports. The slim-fit Summit DotKnit Crew is a performance-driven base layer that leverages proprietary DotKnit technology to actively pull moisture from the skin and expel it to the outside of the garment. Designed to optimize comfort, it can be worn under whatever layers the mountain calls for. Raglan sleeves and underarm gussets for mobility Minimal seams for reduced bulk Engineered holes in the face fabric accelerate moisture transfer Double-knit construction combines hydrophobic and hydrophilic yarns Merrow stitching for strength and comfort against the skin Thumbholes at cuffs