Profile Design 52 ASA Aluminum Extensions Size:400mm Crafted with advanced aerodynamic materials

Crafted with advanced aerodynamic materials - long ribbed calf section to minimize drag

Safe to use in ultrasonic tanks up to 40°C

44mm • 9g

The result is a shoe that feels like an extension of your body

Profile Design 52 ASA Aluminum Extensions Size:400mm Crafted with advanced aerodynamic materialsIntroducing the 52ASA the next evolution of our wildly popular Aero Shaped Carbon (ASC) extensions, now available in a sleek, high performance aluminum. Crafted with an advanced multi stage forming process, the 52ASA brings the same arm hugging benefits of our iconic shaped extensions, all at a more affordable price. The core innovation behind both the ASC and ASA series is simple: shift the extension sideways to seamlessly align with your arms