KEEN Men's SOLR SandalSea, Ocean, Lake, River, these high performance water sandals are ready for them all! Upper is made from recycled P. E. T plastic bottles Spacious Original Fit allows for more toe room Machine washable Bungee lace up with a quick cinch toggle Shock absorbing foam midsole Foam footbed with arch support Aquagrip rubber outsole with Aqua Stop zonal siping for maximum traction on wet and dry surfaces KEEN. PROTECT rubber toe bumper