To celebrate five years of Boost in February 2018, adidas released this special edition Ultra Boost in a similar colorway to commemorate its game-changing technology. The Anniversary model sneakers feature an uper of grey and black primeknit section with a contrasting grey Three-Stripes branding. They also feature a yellow detailing on the tongue lase tips and insoles. The outside of the sneaker has a continental rubber material and a full length midsole. Now available on KLEKT.