The entire bag goes in your freezer overnight (12 hours) to activate its built-in freezable gel

Textured surface is easy to hold

If your Feet are broad than Please select Vibram V-train as these shoes are comparatively narrow

89mm wall thickness

With the Nike Flex Experience Run 11

Nike Heritage Backpack (25L) -Obsidian/Obsidian/Photon Dust Gender_Women The entire bag goes inTried and tested, the Nike Heritage Backpack remains the MVP of lugging around your gear. Keep everything close at hand in the spacious main compartment with laptop sleeve and two exterior zip pockets. Benefits Internal sleeve stores a laptop up to 15". Densely woven polyester provides heavyweight support. Padded shoulder straps are adjustable for a comfortable fit. Product details 43cm H x 30cm W x 15cm D (approx.) Haul handle Body lining: 100%