Featuring a lightweight Primeknit upper, traditional lace-up closure, and snug sock-like fit, these adidas Kids UltraBoost 20 round-toe sneakers will keep them on their feet from the track to the trail. Support Type: Neutral. Structurally-supportive synthetic mid-foot cage. Smooth textile lining and ultracushioned boost midsole is optimized for a responsive ride. TORSION SYSTEM, placed between the heel and forefoot, helps promote a more stable ride. Continental rubber outsole delivers reliable grip over wet and dry surfaces. STRETCHWEB rubber in the outsole flexes for increased energy underfoot. Imported.