Upper material: microfiber leather Sole material: rubber Outdoor casual design: our men's outdoor casual non-slip dual purpose sandals and slippers are designed in a casual and versatile style for outdoor activities. Whether it's a walk on the beach, a hike or just relaxing, it's an ideal choice. Non-slip soles: these sandals and flip-flops feature non-slip soles that provide excellent grip and stability for a variety of surfaces. Whether you're walking on the beach, on rocks or on slippery surfaces, you can feel confident and secure. Two-way design: these shoes have a dual function as either a sandal or a slipper. You can put on the back straps for a proper fit or remove them to convert them into comfortable, easy-to-wear slippers. Durable and reliable: these sandals and slippers have been carefully designed to withstand the outdoor elements with durability and reliability. With a long service life, they are a reliable companion for your outdoor adventures.