Torsional spring insole and method
Track shoe with heel plate and support columns
Trampoline effect athletic shoe having elastic sole return strip
Tread sole for athletic shoe consisting of rubber or another mat
Upper for an athletic shoe and method for manufacturing the same
User-specific shoe sole coil spring system and method
Ventilated shoe
Vulcanized composite sole for footwear
Walking and hopping shoe with a massaging sole surface
Walking shoe
Water massage and shock absorption system for footwear
Wooden shoe including hinge