Premium Skins 50+ U.P.F. is the pinnacle in top quality, wearable sun protection. Ergonomic seam placement, quick-dry properties, and performance 4-way stretch fabric with 85% or more recycled fibers provide a super soft feel and comfort. 50+ U.P.F. Maximum Protection Strategic Seam Placement 4-way Stretch Quick-Dry Rash Protection Performance Fit Reduces Fatigue From Sun Exposure Premium 6oz Nylon/Spandex Flatlock Stitched Breathable Seams