Step into the BOOST and Bounce technologies of AVRYN for a new combo of versatility and comfort. It's the best of breakthrough trainer tech now in a lifestyle shoe for all. Styling options unlimited. AVRYN. The everyday versatile trainer that cant be defined. Regular fit- Lace closure- Mesh upper with transparent mesh top layer- BOOST and Bounce midsole- TPU heel counter- Rubber outsole- Upper contains a minimum of 50% recycled content. Colour: blue