From Sorel, the Kinetic Impact II Wonder Lace Tortoise Outsole Trim Sneakers feature: Breathable mesh upper with suede and leather overlays TPU heel logo Adjustable lace up closure for a secure fit TPU for arch support Removable molded EVA footbed with leather topcover Lightweight molded LIVELYFOAM™ midsole made with Bloom, an algae-biomass-containing material Molded Evertread™ rubber tortoise trim outsole with ground contact EVA Imported.