Dressed In A Grey Colourway, The Ultraboost's Primeknit Uppers Mould To The Contours Of Your Foot For A Sock-Like Ride. The Pair's Torsion System Between The Heel And Forefoot Wraps Around Your Midfoot For Locked-In Support, And Underfoot The Textured Boost Midsole Absorbs Energy From Your Every Step And Releases It At Push-Off. Decorated With Signature Branding Throughout, The Trainer Is Complete With A Rubber Outsole For Firm Traction In Wet And Dry Conditions.