Reduces Foot Fatigue</br>Fits in loose fitting athletic footwear</br>Thick AEROSPRING foam absorbs impact to deliver long-lasting comfort</br>Supports the foot and arch</br>MoistureWick with Odor Control</br></br>Product Description</br></br>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 aerospring™ 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. 5mm thickness.</br><br/>http://www.amazon.com/gp/product/B01CGBDBAG