NWT Adidas by Stella McCartney Ultraboost Light running shoes. The fashion-forward adidas by Stella McCartney Ultraboost Light Shoes ride on a new generation of adidas BOOST — adidas' lightest BOOST ever with even more energy return. The adidas PRIMEKNIT upper wraps the foot with a supportive fit that enhances movement. Wear them for short-to-medium-distance miles in the city. Add to wishlist Reviews (25) 4.6 Description HIGH-PERFORMANCE SHOES MADE IN COLLABORATION WITH STELLA MCCARTNEY. Running is a transformative experience — whether that's a different outlook, lighter mood or faster PB. Similarly, the Ultraboost is a shoe that lives for progression. The fashion-forward adidas by Stella McCartney Ultraboost Light Shoes ride on a new generation of adidas BOOST — adidas' lightest BOOST ever with even more energy return. The adidas PRIMEKNIT upper wraps the foot with a supportive fit that enhances movement. Wear them for short-to-medium-distance miles in the city. MADE WITH A LOWER FOOTPRINT This product was designed to have a lower carbon footprint compared to a previous version. adidas PRIMEKNIT textile upper with engineered mesh inserts Soft feel Textile lining Light BOOST Rubber outsole