Adidas Adizero XVIII Breaststroke Openback Kneesuit - Black / Pink adidas worked with bio mechanics, physiologists, textile and pattern experts, plus a global pool of elite swimmers to create the game changing Adizero XVIII. The supportive fabric of this women's competition swimsuit features a compression fit for a streamlined feel that minimises drag and maximises your efficiency in the water. The Adizero XVIII range of tech suits enables swimmers to achieve their maximum speed. The ground-breaking technology built into the new Adizero range feature three major advancements; energy optimization (X-TRA ENERGY), intelligent materials (X-TRA FLOW) and a stroke-specific biometric fit (X-TRA FIT). Open to Offers