SPEEDO Men's Seaside Lace 4.0Hydrophobic and ultra lightweight water shoe offers maximum breathability and quick drying properties.Breathable air mesh upper lets the air flow through.S-TRAC TPR outsole offers water management and flow dispersion.Quick adjusting bungee strap with toggle closure.Shoe Weight: 10 oz.Safety Note: Always use caution on wet, hard, or slippery surfaces.