Speedo Men's Horizontal Stripe 4-Way Square Leg Swimsuit 90% Polyester/10% Spandex Lightweight 4-way stretch for optimum comfort Quick drying poly spandex blend Popular fitted square leg styling for more coverge with front seam, front lining and drawsting waist for a comfortable and secure fit UV Block the Burn with UPF 50+ offers tighter knit fabric for higher level of sun protection Made by Speedo, the world's number 1 swim brand