The styling of the Full Throttle Rapid Dry Flex-Back child vest includes bright colors and eye-catching graphics for greater visibility on the water. The Rapid-Dry technology features 4-way stretch and is quick drying which provides your child with increased comfort. The flexible Flex-Back fabric in the back of the vest allows for freedom of movement and additional stretch during active water sports activities. The vest also features segmented hinge points for better range of motion. Fits Children 30-50 lbs U.S. Coast Guard and Transport Canada approved.