Superfeet Flexthin Athletic Comfort Shoe Insoles, Bolt, Small/6.5-8 Women's/5.5-7 Men's M US

Superfeet flex insoles offer long-lasting comfort for most footwear. The Superfeet flex series of insoles offer an excellent introduction to the Superfeet experience. The flexible heel cradle and active aerospringâ„¢ full-length foam combine to create a contoured shape under the foot. The specialized flex design allows the insole to easily conform to the widest range of footwear. 3mm thickness.