The adidas Ultraboost 22 is highlighted by the latest innovations in BOOST and PRIMEKNIT to keep you running confidently. This year's version features uppers made with yarns containing 50% Parley Ocean Plastic to reduce oceanic waste. The other 50% is made from recycled polyester. PRIMEKNIT uppers made with recycled materials. External support cages. External heel counter. Linear Energy Push system. BOOST midsole. Continental rubber stretch web outsole. Fits true to size. Listed in US Men's.