Loyak ACThe low profile Astral Loyak AC features ultra fine ripstop mesh that keeps debris out but allows the shoe to breathe deeply. Their level footbed technology, wider toe box and sticky G Rubber outsoles promote ninja like performance in slippery places. Intended Use: SUP, Training, Sailing, Fishing. Uppers: Ultra fine Ripstop Mesh, with TPU Reinforcements Midsole: EVA Foam with massage pods. Outsole: Flex Grip *Not recommended for heavy whitewater use