- Slip into the Rider Dunas Evolution Thong II and find your happy place. This modern thong sandal features Rider's signature waffle-textured Dry Eco Foam insole and a non-marking sole. Your feet deserve to breathe too, and this flip flop features a synthetic leather upper and fabric toe divider. Keep calm, cool, collected. Synthetic midsole Synthetic outsole.
Rider Rider Men's Dunas Evolution Thong Ii DDMATUV Men's Sandals