adidas Men's Techfit Base Layer Long Sleeve Tee 88% Polyester/12% Elastane Imported climalite fabric sweeps sweat away from your skin Crewneck collar; "TECHFIT" on back neck Ultra-soft seams and strategically placed flatlock seams for reduced chafing UPF 50+ UV PROTECTION; Printed adidas brandmark on left shoulder Compression fit for support and reduced muscle vibration; Polygiene odor control, based on silver salt (silver chloride) made from recycled silver, helps clothes, footwear and gear stay fresh and last longer between washings