Commodity Index Thickness: Medium Stretch/Elasticity: Micro Elastic Soft: Moderate Washing Instructions: Use water below 30 °C, hand wash, do not dry clean Material: Nylon + spandex + air cushion + silicone Color: Black, light skin, deep skin color Size: One size Applicable age: Adult Feature: Heel interior: silicone non-slip design, not easy to fall off,abrasion-resistant. The inside of the sole: According to the design of the human foot sole, there is a massage effect; the mesh design is more breathable and reduces the sultry heat. Wearing a single shoe, wearing high-heeled shoes, walking on the road leads to pain in the soles of the feet. This 3D air-cushioned socks is beautiful and healthy, and fully protected. NOTE 1. As we all know ,the different computers display colors differently,the color of the actual item may vary slightly from the following images. 2. Please ignore the tag size comes with the cloth. The tag size sometimes can be a larger than our description size, usually the Chinese sizes is smaller than European&American people. So please allow 1-3CM differs due to manual measurement. 3. If you feel difficult to choose the size ,you can feel free to contact me,we will give you some suggestion,but it is for you reference only. Package include: 1 Pair x 3D Arch Support Foot Massage Summer Socks