Superfeet Blue Size (Superfeet):B Durable– Tough urethane adhesive bonds

Durable– Tough urethane adhesive bonds permanently to surfaces and dries as a clear rubber that’s weather-resistant

* Plants and animals important for survival

Its spring steel frame ensures easy setup

a heavy poly lining

Construction: Board Lasted Insole: BFit Deluxe Midsole Dual Density EVA

Superfeet Blue Size (Superfeet):B Durable– Tough urethane adhesive bondsLong lasting support packed into a thinner, high performance insole to help improve the fit of a wide range of footwear. Fit Profile: Medium profile insole with the shape that can fit into most footwear while providing a medium level of support. Fits Best In: All types of medium and high volume footwear with removable insoles that range from running shoes to casual footwear to work or hiking boots