Speedo Big Boys' Rapid Tides Youth Jammer Swimsuit 85% Polyester/15% Spandex Imported Affordable poly spandex fabric for optimal stretch and recovery Provides support and comfort at a great value Waist sized with drawstring inner waist and unique 9 thread flatlock stitching for superior fit and feel Jammer styling provides more coverage and uv sun protection Made by speedo, the world's number 1 swim brand