-FeaturesFabric: NBU upper fabricInsole: EVA insoleOutsole: Rubber outsoleMaterials 100% Nbu/80% Rubber 20% EVA The Billabong Tides Slip -On Sandals keep your feet protected, comfortable and looking fly. Made from recycled rubber and poly materials, these men’s slip -on sandals feature a printed footbed and hexagon textured insole to increase traction and comfort throughout. - -FeaturesFabric: NBU upper fabricInsole: EVA insoleOutsole: Rubber outsoleMaterials 100% Nbu/80% Rubber 20% EVA The Billabong Tides Slip-On Sandals keep your feet protected, comfortable and looking fly. Made from recycled rubber and poly materials, these men’s slip-on sandals feature a printed footbed and hexagon textured insole to increase traction and comfort throughout.