Features & Benefits:- 5 Pcs High-Impact Spring Cushioning Shock Absorption, Durable EVA Foam Base and Variable Cushioning Technology provides an excellent stability and cushioning effect.- Forefoot with massage points of the 7 small springs, enhances shock absorption and massage function.- Pain relief through biomechanics, the firm and resilient arch supports give more comfort than other softer insoles.- Excellent pronation control helps relieve the pain and ongoing support prevents re-occurrence.- Excellent mobility allow for free and easy movement of the foot, without locking it in place.- Top fabric that reduces friction and keeps the feet cool even on those hot summer days- No matter what size you wear, you can trim some off the toe end of the insole to get them to fit. The insoles come in the maximum size. Do not trim if the maximum size fits you.SIZE INFORMATIONL(EU size 41-46)M(EU size 35-40)1.Remove the original insoles from your shoes2.Place the new insoles with the original insoles back to back3.Align the two insoles by lining up the back of the heel4.Use a mark pen to draw a cutting line by tracing along the toe section of the original insole5.Cut the insoles along the cutting lineWarm Tips :1. Put the insoles in a ventilating place to keep them dry and fresh.2. Some people need about few days to get used to arch insoles, but it's varies from person to person.Customer Are Our Priority :We offer 100% no risk money-back guarantee if you're not thrilled with your purchase for any reason. Just tell us and we will do our best to give you the most satisfactory solution.1.Built-in High Elasticity SpringSpring in the heel and arch enhances shock absorption performance, provide additional cushioning and absorb impact, 7 small spring in the forefoot have the effect of massaging the foot sole, natural comfort, and add an premium soft gel cushion with honeycomb design reduce fatigue, to effectively protect your feet, great to meet your needs.2.Invisible Heightening InsoleThese height increase insoles make your heel height up to 0.8 inch = 2cm. Add up these height increase elevator insoles with elevator shoes that look the most like regular shoes. Be it your sports shoes, formal or casual shoes, you can insert these in almost all types shoes and look remarkably taller. With a slightly raised platform or sole inside, you can invisibly add inches without sacrificing style.3.Foot Pain Prevention and ReliefThe high arch support designed insoles robustly functions to balance the force structure of the foot, providing a convenient and extremely soothing solution for those with flat feet, achilles tendinitis, shin splints and runner's knee. Inserts relieves metatarsal arch and heel pain, corrects abnormal walking patterns, relieves metatarsalgia (ball of foot pain), helps with patellofemoral syndrome (knee pain), plantar fasciitis and helps low back pain.4.Ergonomic Non Slip DesignOur shoe heel lifts insoles are made well