An improvement on the successful Gel-Cumulus 14, the ASICS� GEL-Cumulus� 15 running shoe features exceptional technical updates, including enhanced upper comfort and more cushioning. Suitable for underpronators to mild overpronators, this running shoe is built with forefoot and rearfoot gel cushioning system, which uses gel to absorb shock. Impact Guidance System balances heel-to-toe transition, smoothing your step as you land and leap. The ultra-light, high-end Solyte� midsole delivers durable and responsive cushioning. Providing a natural running motion while stabilizing your feet, the Guidance Trusstic System and Guidance Line� improve gait efficiency while providing midfoot structural integrity. The open mesh upper increases airflow, keeping your feet cool and dry. Using a two-layer memory foam lining in the heel collar, Personal Heel Fit provides a customized fit. Carbon rubber heel and DuraSponge� outsole offer long-lasting durability and optimal traction. Wt. 9.3 oz.