Along with adidas’s renowned Boost foam technology that consists of thousands of capsules that come together to return your positive energy, the Pure Boost X has a revolutionary floating arch that supports your every step. Whatever your form or shape, it moulds to your foot for the ultimate in gender-specific support.A mesh upper allows your feet to breathe to ensure you stay cool throughout your run, while a Stretchweb sole adapts to your stride for the smoothest of runs.