The adidas Yeezy Slide Infants 'Pure' delivers a secure fit. thanks to an EVA foam upper equipped with an adjustable strap that wraps around the back of the heel. The open-toed build is supported by a matching foam outsole with horizontal flex grooves that deliver a smooth ride and enhanced traction. A comfortable fit is provided by a cushy top layer on the footbed. stamped with adidas' three-stripe logo under the heel.