Amazon.com | adidas Ultraboost 21 C.RDY, Men。Adidas Ultraboost 21 running shoes in a vibrant blue and yellow colorway. These performance sneakers feature the signature responsive Boost midsole for maximum energy return and a breathable Primeknit+ upper for a sock-like fit. Designed with the Linear Energy Push system to increase forefoot and midfoot stiffness for an extra burst of energy in every step. The classic three-stripe branding appears in white on the sides, complemented by yellow laces and a durable rubber outsole. Ideal for high-performance running or athletic casual wear. Feel free to check out similar items in my store! *All pre-owned shoes have been professionally cleaned and sanitized.* SHIPPING POLICY: - All orders will be shipped out within 2 business days of purchase. Friday purchases will be shipped no later than Monday of the following week. We only sell authentic top quality merchandise and we try to give our customers the best prices possible. You can purchase with confidence as we take pride in our business. PLEASE do not hesitate to email us with any questions. We are more than happy to help!