The North Face Expedition Dry Dot Crew Long Sleeve Skydiver WS T-Shirt, Unisex, Adult,

[Base layer for high altitude and expeditions] Technical long sleeves that can withstand temperature and weather changes [Double knit construction] The water-repellent dry layer and moisture-wicking diffusion layer efficiently manage sweat and dry quickly. [Antibacterial and deodorizing] Polygiene processing with silver ions suppresses odor-causing bacteria [Simple and functional design] Regular fit, cuffs with thumbholes, and a chest pocket [Suitable for all seasons] Can be used as an undershirt in cold seasons or as a thermal top in warm seasons