Orthotic Shoes are shoes that contain orthotics, which are removable orthopedic insoles that help cushion and stabilize the foot. Orthotic Shoes may also refer to items designed with additional room to insert Orthotics.
About Waterproof:
Waterproof materials deflect water, and cause the article to not become bogged or soaked with water. Waterproof material is common in outerwear, footwear, and bags.