There's a reason that the Mountain Tech Tee has become one of Columbia's most popular technical pieces for active outdoor adventures; it fits like a dream and features Omni-Wick technology and antimicrobial properties to pull moisture away from the body quickly keep you smelling fresh over the long haul. Soft, durable 100\\% polyester jersey fabric is bolstered with UPF 15 sun protection to help shield your skin against harmful UV rays. The crew-neck collar fits comfortably without being too snug. Active fit. Imported.