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 Speed Trainer 483397W05G01000 Sneaker Tess S Gomma Maille Noir ECBA609299A 8075549644 Balenciaga For Sale. Plush foam and mesh tongue for breathable comfort and Midsole flex grooves provide greater forefoot flexibility Balenciaga Speed Trainer Waffle outsole for durability and great multi-surface traction.