Prince T22 Lite Men's Tennis Shoes (Gray/Black/Red) (11 D(M) US) Durable ultralite mesh upper provides light weight and breathability; Air mesh quarter, vamp and tongue panels ensure maximum ventilation. Fully integrated TPU welded forefoot straps provide lateral stability; Perforated straps with mesh underlay increases ventilation. EVA midsole provides lightweight cushioning; Ortholite sockliner provides lightweight cushioning and long-lasting comfort. ShockEraser heel insert absorbs heavy impact in the heel; PU forefoot insert disperses shock under the ball of the foot. PRC1000 outsole with six-month guarantee provides exceptional durability and traction on multiple surfaces.