NEW Kizik Madrid Eco-Knit slip-on shoes in black, which feature hands-free technology allowing the wearer to step in and out of the shoes without using their hands. The shoes are designed as hands-free slip-on sneakers with a bendable heel, intended for comfort and convenience. They have a lace-up closure that you tie once to adjust the fit. The shoes are designed as hands-free slip-on sneakers with a bendable heel, intended for comfort and convenience. They have a lace-up closure that you tie once to adjust the fit. The shoes are designed as hands-free slip-on sneakers with a bendable heel, intended for comfort and convenience. They have a lace-up closure that you tie once to adjust the fit.