adidas Stella McCartney Adios Boost Womens Running Shoes Red Synthetic Engineered Stretch Mesh Upper - Provides a natural feel whilst offering your feet great ventilation whilst your run. TORSION System - Provide for excellent stability in the midfoot. Energy Boost Midsole - Absorbs energy from your footstrike and charges it into forward momentum. Continental Rubber Outsole - Delivers optimal grip in wet conditions. Adidas x Stella McCartney