A hard hit to the chest in the wrong place at the right time can lead to sudden cardiac arrest in any-age athlete. The Integrated Shirt + Chest helps protect the heart from impact when not only the game, but players' lives are at stake. With world-class protection safeguarding the shoulders and lower ribs, plus a special PolyShield(TM) insert placed over the chest, our formula reduces blunt force transferred to the body 40% better than competitors. Feel confident to play your hardest and smartest with the most lightweight, effective protective gear on the planet. Features Helps reduce risk of injuries to the heart, sternum, trapezius, clavicles and lower ribs Machine-washable, long-lasting and weather-resistant Works in conjunction with any jersey or uniform Breathable, flexible, lightweight material 90% Polyester, 10% Spandex PolyShields(TM) Care Instructions: Care is easy. Just toss it in the washer on cold, then let it air dry. DO NOT BLEACH OR MACHINE DRY. Failure to follow these instructions may result in deterioration of the garment. Warranty will be voided if these instructions are not followed.