The Minimal Sleek Slides are a great buy for the hot summer season. They are great because they are made with lightweight and waterproof materials. The sleek minimal design would be an excellent addition to any wardrobe. It opening on the side of the strap makes it more breathable for feet, it can be used indoor and outdoor as well. FEATURES: Style Open toe Season Summer/Spring Sole Flat Vamp material EVA Size US ( 5.5 - 12) COMFORTABLE MATERIAL: The Minimal Sleek Slides are made of high-density Gray Slides For Summer Beach, Gray Slides For Beach In Summer, Gray Non-slip Slides For Summer, Non-slip Gray Slides For Summer, Durable Open Toe Slides For Summer, Summer Open Toe Slides, White Lightweight Slides For Spring, Durable Slides For Outdoor Summer Use, Gray Synthetic Slides For Summer