The Boys Thermal Compression Shirt is made of stretchy thermal fabric with brushed liner for warmth and snugness. For all-over warmth, pair the shirts with our youth sports compression tops. Constructed with moisture wicking four-way stretch fabric that moves with your body while eliminating sweat. Smooth, flat lock seam construction to help decrease irritation. It is made from the premium materials with 88% Polyester, 12% Elastane. Lightweight, fast-drying exterior material wicks sweat away keeps your kids cool and comfort at practice.Wash with cold water and tumble dry low. Size Chart. X-Small: Chest 25.5-26", Waist 23.5-24”, Height 47-51”, Small: Chest 26-27", Waist 24-25.5”, Height 51-55”, Medium: Chest 27-29.5", Waist 25.5-27”, Height 55-59”, Large: Chest 29.5-32", Waist 27-28.5”, Height 59-63”, X-Large: Chest 32-35", Waist 28.5-29.5”, Height 63-67”. We offer you 30 Days No-Hassle-Return Policy, Lifetime Warranty for Replacement and Lifelong Technical After-Sales Service. Perfect for Football, Baseball, Soccer, T Ball, Lacrosse, ice hockey, snowboarding and other activities in cold weather. Sweat-wicking & Fast Drying features - Made from the premium materials with 88% Polyester, 12% Elastane. Lightweight, fast-drying exterior material wicks sweat away keeps your kids cool and comfort at practice. Performance & Stretch Fabric - Constructed with moisture wicking four-way stretch fabric that moves with your body while eliminating sweat. Smooth, flat lock seam construction to help decrease irritation. Stretchy thermal fabric with brushed liner for warmth and snugness. For all-over warmth, pair the shirts with our youth sports compression tops. Machine Wash. Pull On closure. Imported. 88% Polyester, 12% Elastane.Best Sellers Rank: See Top 100 in Clothing, Shoes & Jewelry. : B0BDK6KHYT. Date First Available: September 7, 2022. Department: Boys. Package Dimensions: 12.99 x 9.45 x 0.87 inches; 6 Ounces.