Vibram V-Run Retro Mens Trainers Five Fingers Barefoot Feel Shoes Inspired by classic FiveFingers running shoes ot the past, the new V-Run Retro adds improved Vibram technology to a familliar retro classic style. The V-Run Retro features a grippy and very flexible 4mm XS Trek performance rubber outsole and a 2mm foam insole, poly sockliner and a lightweight, minimal EVA arch pad add to the shoe’s overall comfort. The nylon mesh upper upper is lightweight, breathable and soft with a super easy fast lacing system to secure your foot in the shoe. This shoe is equally at home in either the gym or out on the tarmac. This is a perfect allrounder. Ideal uses include road running, track running, treadmill running, crossfit and HIT session training. XS TrekOptimal balance of traction and durabilityResponsive on unpredictive terrainEngineered for stability and comfortUPPER MATERIAL: Microfiber materialMachine Wash Cold, Air Dry SKU: 21M8002 Sizes Guide 40 EU = UK 641 EU = UK 742 EU = UK 843 EU = UK 944 EU = UK 1045 EU = UK 1146 EU = UK 1247 EU = UK 13