The endurance insoles offer light arch support and cushioning in a super slim, low-profile design. Vct variable cushioning technology foam with targeted poron cushioning at the heel and ball of foot provide protection and comfort in high-impact areas. Flexible arch support shell provides light support. Foam base and mesh coating are water resistant. Ideal for those preferring less rigid arch support or increased comfort and support while running, cycling or skiing. Low profile design fits in a variety of shoes, cleats and boots.