Adidas Adifom SST Mule Shadow Olive These mules offer relaxed comfort, simply slip your feet in. Inspired by the original popular sneakers, these slip-ons are easy to put on and take off. The soft feel underfoot is comfortable. The Adifom upper and lined footbed provide all-day comfort. The design, including the signature shell toe, maintains a cutting-edge style without sacrificing functionality. Only tried on. No stains, tears, or odors.