Material: EVA, comfortable materials can provide better cushioning, breathable and bacteriostatic effect. Flexible arch design the natural shape of your foot, effectively stabilize the foot to relieve pain caused by flat feet, plantar fasciitis and metatarsal pain. Special construction, designed to effectively treat and prevent common sports injuries such as Achilles Tendonitis, Shin Splints and Knee Pain. High resilient blue gel cushion provide extra protection, prevent sports slip, effectively protect your feet during sport; Shock absorption to keep dry and comfortable even long time wear. The full-length insole can support most size. You can cut the insole along the available curl line according to fit your size. Size Chart: Size (All measurement in cm and please note 1cm=0.39inch) XS Euro/China Sizes: 35-38, US Sizes: 4-7.5; UK Sizes: 2-5.5; Length 25cm/9.84 inch; Width 8.8cm/3.46 inch S Euro/China Sizes: 39-40, US Sizes: 6-7; UK Sizes: 5.5-6.5; Length 26.5cm/10.43 inch; Width 9cm/3.54 inch M Euro/China Sizes: 41-43, US Sizes: 7.5-10; UK Sizes: 7-9.5; Length 28cm/11 inch; Width 9.6cm/3.8 inch L Euro/China Sizes: 43-45, US Sizes: 10-12; UK Sizes: 9.5-11.5; Length 30cm/11.8 inch; Width 10cm/3.94 inch XL Euro/China Sizes: 46-47, US Sizes: 13-14; UK Sizes: 12.5-13.5; Length 31cm/12.2 inch; Width 10.5cm/4.13 inch Package Includes: 1 Pair Insoles Note: 1. Please allow a slight color difference between the real item and the pictures due to the difference between monitors. 2. Please allow a slight measurement error. Hope for your kind understanding and have a nice shopping day!