The Bauer Performance Base Layer Long Sleeve is made with HeiQ Fresh Technology that prevents odor-causing bacteria so you can wear more and wash less. Additionally, flat-lock seams help reduce chafing, so you're sure to be well protected and comfortable during game play. Specs Feature Description Level Performance Body 92% Polyester / 8% Spandex Mesh 88% Polyester / 12% Spandex Fit Hockey Fit Features HeiQ Fresh Technology; Raglan Sleeves with Underarm Gussets; Mesh in Strategic Areas; Flatlock Seams; Locker Loop; Stay-Put Thumb Loops; Tight Fitting Sleeves to Minimize Bunching Warranty 90 Days Sizing Bauer Performance Apparel Sizing Chart Size Height Chest Youth Small 4'2" - 4'7" 26" - 29" Youth Medium 4'7" - 4'11" 29" - 32" Youth Large 4'11" - 5'4" 32" - 34.5" Youth X-Large 5'4" - 5'6" 34.5" - 35.5" Senior Small 5'5" - 5'9" 37" - 38" Senior Medium 5'9" - 5'11" 39" - 40" Senior Large 5'11" - 6'1" 41" - 43" Senior X-Large 6'1" - 6'3" 44" - 46" Restrictions This item has a Minimum Advertising Price (MAP) imposed by the manufacturer. This item is not eligible for advertised discounts. This means that this is the absolute lowest price you will find anywhere.