Cover up. This jammer is made to feel as good as it looks, whether in or out of the water. A wide compression waistband delivers a flattering effect while Block the Burn UPF 50+ provides protection against the harsh sun.Block the Burn: UPF 50+ protection blocks up to 98% of the sun?s harmful raysBioEndurance: Long-lasting with 21% bio-based materialCompression waistbandInseam: 5.5"Pilling resistant fabric79% Polyester/21% Bio Based Polyester