Arena Women's Powerskin Primo Limited Edition SL Open Back IRON Midfoot flex points help eliminate

Midfoot flex points help eliminate cramping

Compatible with the Wide Mouth Flex Sip Lid and Wide Mouth Straw Lid

It features a low-profile unibody design with mirrored anti-glare curved lenses for maximum visibility

Textured Fabric Zones - To target drag reduction for optimal performance

Arena Women's Powerskin Primo Limited Edition SL Open Back IRON Midfoot flex points help eliminateFirst is better than fast. Meet the all new Arena Powerskin Primo: the most advanced tech suit Arena has ever created, featuring new HYPERFORCE fabric the world's first tensoelastic racing suit. Primo has been engineered from the ground up utilizing the latest scientific breakthroughs in fabric innovation and physics. The fabric's extraordinary elasticity allows for 50% more stretch than standard fabrics, enabling a range of motion never experienced