Designed as a high performance all court shoe, the Wilson Grand Slam features a modified herringbone pattern that works on all court surfaces. Wilson's DST Foam located on the heel and forefoot provide a cushioned, yet responsive ride. With the ventilated TPU Arch Bridge, the shoe is torsionally stable, providing great support for lateral movements. Wilson has built this shoe on the Comfort Last platform, providing a wider toe box. By utilizing a lightweight leather in the upper, Wilson was able to keep the overall weight down. Players will find this shoe to require little to no break in, take it straight out of the box and onto the court. Fit: Length is true to size. Width is medium in the forefoot and tapers to a snug fit in the heel. Arch support is medium to low. Upper: Lightweight synthetic leather provies out of the box comfort. Midfoot: DST Foam in the heel and forefoot. DST Foam uses an exclusive blend of EVA and rubber to create a responsive cushioning system that provides exceptional court feel through better energy return. Molded TPU Stable Wrap. Stable Wrap technology wraps under the midsole edge to provide enhanced lateral support. TPU Arch Bridge. Perforated molded EVA sockliner for breathability. Outsole: Duralast Supreme, an extremely durable rubber compound, provides super abrasion resistance on hard courts and maximum court surface contact for precision footwork. Weight: 12 ounces (size 8.5) Color: White / Sea Blue / Silver