US Patent 7614167 Massage sandals

A sandal (100) is disclosed having a relatively rugged bottom sole (102), the may be formed form a thermoplastic rubber, a relatively thick middle sole (120), that may be formed from an ethylene vinyl acetate foam, and a massaging upper sole (130) that may be formed form a polyurethane/latex blend. The upper sole includes a large plurality of upright fingers 134) generally having rounded top surface, providing a massaging action during use. A strap assembly (400) is provided, that may be attached between the upper sole and the middle sole. In an embodiment of the sandal, a crushable foam layer (125) is disposed between the middle layer and the upper layer, providing additional resiliency especially during the initial usage of the sandal.