- Features -Men’s Slip -On Sandals. -Upper: SEBS with raised Billabong font logo -Insole: Recycled EVA/Rubber -Outsole: Billabong wave logo molded EVA -Styling: Slip -on style. -Additional Details: Printed footbed. -Hexagon texture insole. - 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.