Slip them on and go! A slip-on that makes a statement without saying a word. The Kinetic™ Impact II Mule in Sea Salt/Radiation is made to be in motion, with a sporty build and foot-to-floor cushioning that softens every step of your daily grind. UPPER - A slip-on style with leather in vamp and plush, breathable mesh around collar. Rubber rand with molded SOREL logo. FOOTBED - Removable molded EVA with leather topcover. MIDSOLE - Lightweight molded Livelyfoam. Midsole made with 10% Bloom, an algae-biomass-containing material. TPU for arch support. TPU heel logo. OUTSOLE - Molded rubber with ground contact EVA..