Superfeet - Trailblazer securite few are those who can

few are those who can wear during sports practice

while the polyester backing is breathable

Comfortable

Take the classic Speedcross and add tungsten spikes to it: you get the Spikecross

Superfeet - Trailblazer securite few are those who canSuperfeet Hike Support Insoles (Trailblazer) stabilize your feet on uneven ground, reducing stress on your feet, ankles, knees and back. Enhance the comfort of your boots and shoes with dual layer cushioning foam and a strong yet lightweight carbon fiber structured support. Help keep your feet secure, even on the steepest climbs and toughest descents. Designed to replace the removable insole in roomy to medium fit hiking and outdoor shoes. Trim to fit