Soft & Breathable Comfort: This product adopts a three-layer design. 1. The outer layer is composed of mesh with excellent air permeability 2. The buffer intermediate layer is reinforced by highly elastic HI-POLY, which has excellent shock absorption effect. 3. The bottom layer is made of EVA foamed material Design for Everyday Use: The shoe insoles is perfect for walking, running, sport, hiking, etc, also suitable for those who should stand for a long time at work. Comfort and cushioning for all types of leisure or everyday footwear, such as casual shoes, work boots or shoes, sneakers, even hiking shoes. Avaliable in Difference Sizes: the honeycomb insole can support most size. Trim to fit insole allows for a perfect fit for your feet for US4-5/5.5-6/6.5-7/8-8.5/9.5-10 . For the most accurate size, please compare to your own insole length. Shock-Absorbing & Anti-Skid: The orthotic inserts adopt gel pad on the heel and extra cushion for forefoot. Decrease knee damage and provide exercise protection, thus to enjoy the fun during sports without sparing the comfort. Package include??3 pairs of shoe insoles?? colors are random.