The Mara One-Piece is a beautiful and timeless design featuring adjustable straps to grow with your little one with a tie detail at the back. Easy snap crotch closure is included on sizes 6months to 2 years. The brief is a wider cut to allow for a swim nappy (if needed) and is made from a recycled blend of nylon and elastane, chlorine resistant and has a UPF 50+ rating.