When you're scrambling up a rocky bluff or bounding along a riverbank, the last thing you want is gravel and grit seeping into your Vibram® FiveFingers®. The KSO is an all-new design with thin, abrasion-resistant stretch polyamide and breathable stretch mesh that wraps your entire forefoot to "Keep Stuff Out". A single hook-and-loop closure helps secure the fit. Non-marking Vibram TC1 performance rubber soles are razor-siped for a sure grip.

• Individual toe slots enhance dexterity, control and stability to deliver a natural walking motion
• Thin, abrasion-resistant polyamide stretch fabric fits low on feet and offers quick-drying comfort; breathable stretch-mesh panels keep debris and grit out
• Instep straps secure with rip-and-stick closures and are attached to thin webbing straps that wrap around heels to provide a secure, supportive fit
• Footbeds feature AEGIS Microbe Shield® antibacterial treatment to help control odors
• 2mm EVA midsoles help provide light cushioning underfoot
• Vibram soles are designed to follow the contours of your feet and toes; made of nonmarking Vibram TC1 performance rubber
• Razor siping on soles provides sure grip on wet and slippery surfaces
• May help you feel an increased sense of balance, expanded range of motion and improved posture
• In order to allow your feet to adapt to using different muscles, gradually increase usage of these shoes
• Machine washable in cold water; air dry only