ProThotics Semi-Flex Full-Length Insoles Size:C: Men's 7-8.5 / Women's 9-10.5 The dorsiflexion strap runs from

The dorsiflexion strap runs from the tip of the toes and is looped through a ring on the calf cuff

Looking at the insole from top to bottom

and drainage

Semi-rigid support shell calibrated with flexibility

Their soft

ProThotics Semi-Flex Full-Length Insoles Size:C: Men's 7-8.5 / Women's 9-10.5 The dorsiflexion strap runs fromProduct Details Overview: The ProThotics Semi Flex Full Length Insoles are a full length, semi rigid orthotic arch support insole for low to neutral arch types. They feature a graphite orthotic arch support with three distinct cushioning layers that provide unparalleled shock absorption and comfort for the heel, arch and forefoot. The main body of this insole is a layer constructed of a closed cell polyurethane Poron foam to provide superior shock