The Yeezy Boost 350 V2 CMPCT Kids 'Slate Onyx' employs a black and grey knit upper composed of 50% recycled content. The sock-like build is secured with no-tie bungee laces and a stretchy collar. Inside the shoe, Yeezy branding decorates the sockliner. Anchoring the sneaker is a full-length Boost midsole, wrapped in a ribbed Thermoplastic Polyurethane cage for enhanced stability. A rubber outsole, marked with a debossed adidas logo beneath the toe, provides durable traction.