adidas Y-3 by Yohji Yamamoto Size Chart Delight in the dramatic difference. Stand proud in the unique artistic design and delight in the captivating comfort of the adidas Y-3 by Yohji Yamamoto™ Y-3 Reberu sneakers. Upper made of flexible, sock-like adidas Primeknit with synthetic leather patches. "Y-3" detailed at the tongue. Slip-on style. Synthetic suede lining. Poron® performance cushioned footbed. Midsole contains adidas Boost technology for an energized feel. Chunky rubber outsole. Imported. This item may ship with an attached security tag. Merchandise returned without the original security tag attached or a damaged tag may not qualify for a refund. Weight of footwear is based on a single item, not a pair.