Volcom E-cliner Prayer Sandals. Finally, a guilt-free flip flop. The E-cliner Prayer's molded footbed is made with BLOOM⢠flexible foam, produced with algae biomass for a truly conscious sandal. This classic tan sandal features built in arch support and rubber outsole tread. Synthetic Leather Prayer Thong Upper. BLOOM⢠Foam Molded Footbed. Built-in Arch Support. Rubber Outsole Tread