All sales are final. Returns for store credit only. Product Details  XS Trek Optimal balance of traction and durability Responsive on unpredictive terrain Engineered for stability and comfort Additional Information DESCRIPTION Inspired by classic FiveFingers running shoes, the V-Run Retro adds new Vibram technology to a familiar, beloved minimalist platform. Lightweight, flexible and super comfortable, the V-Run Retro features a grippy 4mm XS Trek performance rubber outsole that provides protection and confidence in every step. A 2mm foam insole, poly sockliner and a lightweight, minimal EVA arch pad add to the shoe’s overall comfort. The nylon mesh upper is soft and comfortable, while the fast lacing system provides a secure, snug fit on running surfaces such as roads, indoor tracks and treadmills. The V-Run Retro provides runners and athletes who cross train with a comfortable, grippy, minimalist solution for all of their workout needs. DETAILS WEIGHT: Men's 43: 5.7 OZ / 162 GR, Women's 38: 4.6 OZ / 130 GR SOLE SPECS: Insole (thickness): 2mm footbed, Midsole: N/A, Rubber: 4.0MM UPPER MATERIAL: Microfiber material Machine Wash Cold, Air Dry Style #: 21W8003