High sweat-wicking fabric, breathable and elastic, comfortable to wear for all sports. Protects impacts and minor injuries from balls, pitches, and heavy blows. Great for your young athlete. My son wore these padded shirts to allow him to play football and baseball. Youth XL - fits 33-36" chest. •9mm Hex Technology perfectly positioned to protect critical areas: shoulders, ribs and spine •Flex-Neck styling for easy flexible comfort •Self armhole binding provides better fit and doesn’t stretch out after use •HDc Moisture Management Technology is all about cool and dry •Wash it, dry it, can’t hurt it •A great shirt. The padding is nice, the fit is great, and it looks really good on. very comfortable. Not too bulky while still feeling like it offers extra protection.