Viking T22 Platform tennis shoes provide excellent motion control and stability. With TPU straps on the medial and lateral side, you'll experience the support you need for confident movement in all directions. Customize your look with the extra set of laces that come in each box. Upper: Durable synthetic leather and air mesh upper provides light weight and breathability. Air mesh quarter, vamp and tongue ensure maximum ventilation. TPU forefoot straps provide a custom glove like fit while stabilizing the forefoot. RASH toe cap provides added abrasion protection for toe draggers. Midsole: PU sockliner provides added cushioning and long lasting support. ShockEraser midsole insert absorbs heavy impact in the heel. PU forefoot insert disperses shock under the forefoot. Injected "wYshbone" TPU shank improves lateral and medial stability. Outsole: PRC1000 outsole provides exceptional durability and traction. Non-marking outsole.