The Superfeet shape personalizes the shoe to your foot

2% LYCRA®/Elastane

making it perfect for all-day wear

giving you the edge for running

compressive

Nathan | TrailMix Plus Insulated Hydration Belt | Unisex | Black marathon shorts The Superfeet shape personalizes theDiscover a better way to stay hydrated with Nathan's top selling TrailMix Plus Insulated Hydration Belt. With two 10 oz Fire & Ice Reflective and Insulated Flasks, your water will stay cooler for longer. The ergo shaped, soft monofilament belt offers stretch in all directions, eliminating any uncomfortable bouncing. Plus, with SpeedFitTM holsters, you can easily access your hydration and nutrition on the go. This belt even has a zip pocket, front