Build up your discipline and feel the seconds fall off your time with the reliable stability, support and comfort of the Salomon Sonic Ra 2 running shoe. Usage intensity: Training and racing. Lightweight mesh and synthetic upper for superior breathability and durability. Sensifit cradles the foot for a secure, snug fit. Traditional lace-up closure with sturdy fabric laces for a secure fit. Padded collar. Breathable fabric lining for a great in-shoe feel. Ortholite molded footbed has an open-cell construction, allowing for more breathability and features superior cushioning for long-lasting underfoot support. Opal cushioning compound provides a soft, comfortable underfoot ride. Vibe technology works together with other midsole components to attenuate impacting shock. Cushioned midsole with High-rebound EnergyCell+ midsole technology supplies optimal energy return. Geometric Decoupling works with the foot to allow smooth and efficient load guidance, creating an effortless and efficient heel-to-toe transition. Wet Traction Contagrip outsole delivers reliable traction and grip in wet and dry conditions. Heel/Toe: 24 mm/18mm. Imported. Measurements: Weight: 8 oz Product measurements were taken using size 8, width B - Medium. Please note that measurements may vary by size. Weight of footwear is based on a single item, not a pair.