The Under Armour Branded Body Suit will keep your baby boy cool, dry, and light on warmer days. This high-performance onesie is made from ultra-soft, comfortable cotton jersey HeatGear fabric with textured mesh side panels for superior breathability. Under Armour's Signature Moisture Transport System wicks sweat away from his body for even greater comfort. The lap shoulder design and three-snap crotch closure allow for easy diaper changes. Imported.