adidas Pure Boost - Men'sDon't feel the road. Feel comfortable foam. Featuring adidas' innovative BOOST technology, this running shoe helps propel you to a new personal best and keeps your fast feet feeling fresh.Breathable synthetic upper with stretch construction promises a comfortable fit.adidas insists that BOOST foam midsole rebounds faster and more complete than EVA. which results in consistently smooth ride.BOOST outsole with overlapping, high-performance rubber grids for traction.Wt. 7.7 oz. adidas' 30-day, worry-free guarantee: if you're feeling anything but a cushioning revolution, simply return your BOOST shoes within 30 days for a full refund.Please refer to the adidas BOOST Guarantee for terms and conditions and return policy.