XPRIN XP100 Series Base Layer Compression Long Sleeve Sports Wear uv 97.5% (M, XP101) 3/N coverstitch top and bottom, 1/4" gauge Feed-off-the-arm Sewing Odramp Technologies COOL DRY / UVA/UVB Protection / MADE IN KOREA Meterial : CREORA ( Polyester 87%, span 13% )