This swimsuit is stitched with a zip to make changing a breeze, and finished with long sleeves in case the weather turns. Main 80% polyamide 20% elastane, Lining 100% polyester - MIX: main 82% polyester 18% elastane, lining 100% polyester - Machine washable - This fabric passes testing to UPF50+, protection is only provided on areas covered by fabric, you should still wear SPF sunscreen. Protection may also be reduced when wet or stretched. Length 18" Sleeves length 15"