Absolute Outdoors Full Throttle Infant Hinged Rapid-Dry Flex-Back swim life vest- pink/blue has a four way stretch fabric with flexible sculpted foam. Hinged pop-up pillow cradles infants head, covered leg strap to prevent chafing and grab strap for quick recovery. The bright colors make for a better visibility on the water or off. Also, the stretchable flex back has inserts that are designed for comfort and fit. This pink/blue infant life vest has 7 segmented hinge points, a smooth span inner for comfort and drainage, and made of soft, lightweight flotation foam. It has two exclusive lock-on buckles, when closed has a solid feel and makes a snap close to insure confidence in the safety and security of the life vest. Extremely fast drying so the kids can get right back in the water.