Introducing the latest evolution of our Fastskin LZR Pure Valor rangethe Fastskin LZR Pure Valor 2.0 Jammer , developed by swimmers for swimmers. Made from lightweight material with moderate compression and construction designed to support a greater range of movement. The Valor 2.0 range includes a compressive inner leg seam designed for better muscle support, and has a long lasting water-repellent finish. The regular waist jammer offers greater flexibility and may be preferred by breaststroke and IM swimmers. This product has been fully approved by World Aquatics