Boys Kids Short Sleeve Cool Dry T-Shirts Football Compression Shirt Basketball Base Layer Workout Tops How to Wear it: The Soft Shirts for Kids Protects Your Skin From the Sun's Harmful Rays and Repels Unpleasant Smells Left Behind From Dirt and Sweat. These make great layering items because of their soft and lightweight interlocking fabric. Where to Wear it: The crew neck shirt for boys goes great underneath summer wear when Biking, Fitness, Basketball, Football ,Baseball, Cycling, Bike, basically any season activity. Also these boys tee shirts goes great underneath school clothes on those freezing cold days. Item: Compression short sleeve shirt Color: Black / White / Green Gender: Boys & Girls Material: Polyester and Spandex Seamless : Flat lock seams prevent irritation for a chafe-free fit Fabric : 4way stretch material with graduated compression in the arms and upper torso for improved blood flow throughout muscles. Dry Wicking : moisture-wicking fabrics keep you dry and comfortable Package: 3 Shirt Weight: 300g SIZE: Size 5 :Height 45"-47" Weight 42lbs-46lbs Size 7:Height 50"-52" Weight 53lbs-58lbs Size 10:Height 54"-57" Weight 60lbs-77lbs Size 12: Height 58"-60" Weight 79lbs-88lbs Size 14: Height 4'11"-5'3", Weight 89lbs-100lbs Washing&care 1.Hand wash cold separately. Do not dry clean. 2.Hang in the shade to dry. 3. Non-chlorine bleach.? ?Occasion?All Outdoor And Indoor Sports,Such As Basketball,Running, Racing, Soccer, Football, Baseball,Hiking,Golf, Cycling, Biking,Or As Boys Gymnastics Clothing. ? ?Design?Falt Seams Of Boys Athletic Shirts Help Reduce Irritation Cause By Chafing And 4 -Way Stretch Constuction Allows You To Move Better In Every Direction. ? ?Functions?Our Boys Compression Shirt Keep Muscle Tone And Balance Well With Excellent Elasticity And Durability, Providing Excellent Muscle Support For Hip, Quadriceps, Hamstring And Calf. ? ?Features?Football Compression Shirt Are Lightweight, Smooth,Skin-Friendly,Quick-Drying And Moisture Wicking, Undershirts for Boys,Sweeping Moisture Away From Kid's Body In Sports. ? ?Materials?The Youth Compression Shirt Are Made From Polyester And Spandex.Breathable And Soft When During Exercise.Prevents The Growth And Spread Of Odor Causing Microbes. Dry Clean Only. Pull On closure. 100% Polyester.