Engineered mesh provides ventilation for your forefoot while supporting your midfoot. The partial mesh inner sleeve enhances breathability while offering and a sock-like fit. Balenciaga Triple-S 17FW Colorful Retro Running Shoe For Sale. Plush foam and mesh tongue for breathable comfort and Midsole flex grooves provide greater forefoot flexibility Balenciaga Triple S Trainers Waffle outsole for durability and great multi-surface traction.