Speedo Fastskin LZR Pure Intent High Waisted Mens Jammer in Green Glow has a dual layer that brings together muscle groups so you can move more freely though the water. The flat Seam Construction reduces drag by creating less of an intersection so it's easier for athletes as they swim. Special fabric construction makes sure the suit doesn't feel restrictive going through your strokes, and ensures you're ready to race with its approval from FINA. Dual-layer technology Flat Seam Construction Reduces drag Optimizes hydrodynamics Increases comfort 65% Polyamide, 35% Elastane High waist