NWT Marmot Transporter Tee SS T-Shirt - Slate Grey Built with a performance jersey knit that feels like cotton, the Marmot Nanowick technology in the Transporter Tee wicks quickly to manage moisture like a champ. The flat-locked seams and set-in sleeves of this crew neck tee increase moving comfort; droptail hem adds coverage. Feature List Lightweight, Moisture Management Performance Knit Jersey Cottony Hand Polyester Ultraviolet Protection Factor (UPF) 30 Quick-Drying and Wicking Flat-Locked