Specifications: Applicable Symptoms: plantar fasciitis, shin splint, heel spur, flat feet, mortons neuroma, supination, high arch, achilles tendonitis, heel pain Feature: Anti-Slippery, Hard-Wearing, Sweat-Absorbant, Shock-Absorbant, Height Increasing, Breathable, Arch Support Insole Height: 3cm-5cm Item Type: Insoles Material: EVA, Urethane Foam, Memory Foam, Ethylene Vinyl Acetate, Thermoplastic Polyurethane Pattern Type: Solid Shoe Width: Medium (B, M) Suggestion: We recommend that you choose an insole one size larger, our insoles are cut to the size you need Function: insoles for standing, ease heel spur foot pain Notice: Due to the improvement of the craftsmanship of the upgraded insole, the blue sponge interlayer in the middle is replaced with a black interlayer. We will offer the goods randomly at that time. Thank you for your understanding. Features -COMFORT SUPPORT: IFITNA Upgraded orthopedic insoles offer total foot support with maximum cushioning. The ergonomic design supports the inside slope up and then slowly slopes down on the outer side of your foot. 3.5 CM outer semi-rigid arch support, firm but flexible, deep heel cradle for increased stability. This insert works for neutral, low, and high arches. -FOOT PAIN RELIEF and PREVENTION: These supportive insoles are the ideal orthotics for mild to moderate flat feet, pronation, metatarsal pain, heel spur and arch discomfort, sore and tired feet, foot pain associated with plantar fasciitis, and other common foot conditions. -MAXIMUM CUSHIONING throughout the day: Dual layer cushion gives you more comfort. A durable EVA (memory foam) base and high Shock Absorption PORON foam layer provides a dual layer long-lasting cushioning to protect your feet during athletic activity, standing or walking, enhancing comfort all day. -ALL DAY COMFORT: Non-slip fabric design is good for odor control, and breathable to keep your feet comfortable and dry. The gel pad under the bottom of the insoles relieves heel pain and gives you more cushion and comfort. Enjoy all day relief from the first day wearing IFITNA comfort support insoles. -SUPPORT ALL ARCH TYPE AND SHOES: Fit for a variety of shoe types– athletic, casual, dress, and work shoes or boots, hiking shoes, running shoes, and slippers. Moveable from shoe to shoe with no trimming required. No need to trim as we supply 9 sizes of insoles. -Recommendation: Adjust the insoles gradually, you may feel uncomfortable when you start to correct. First wear it for 1 hour a day, then 8 hours a day. It is best to add half an hour a day to slowly correct the feet.