Product Description Material: PU Size: S: 38-40; M: 41-43; L: 44-46 Color: green, black Quantity: 1 pair Package content: 1*flat foot orthopedic insole 1.RIGID ARCH SUPPORT&ERGONOMIC DESIGN:Running athletic Insoles align your body by supporting the subtalar joint, preventing overpronation or oversupination. U shape and deep heel cup structure cradle with built-in heel support keeps foot b vertical and balance to provide stability. Provides moderate control and support in walking and standing, comfort and cushioning for everyday use. 2.FOOT PAIN RELIEF:The orthotic inserts for women/men offers a superb level of high arch supports. Deep heel cup can reduce the overstretch of Plantar Fasciitis ,relief pain from heel pain & heel spurs. Increase the stressed area to balance the pressure on front and back heel. Helps ease stress and pain caused by flat feet (Pronation),fallen arch,bunions, arthritis, and diabetes.Achilles Tendonitis and also Ball of Foot pain. 3.LASTING COMFORT MATERIAL-MADE:High quality material is excellent for shock absorption and pain relief. The black hard TPU material on the back of the insole supports the arch of your foot and wraps your heel when you running or soprtingl. The fabric on the insole surface also helps keep your feet cool. Silica gel cushion under the heel are also very helpful and durable.Good fabric reduces odor and keeps the feet fresh. 4.TRIM TO FIT & DESIGN FOR DAILY USE:This arch support insole for plantar fasciitis is adaptable and each shoe Inserts has a range of sizes. You can also tailor the insole to fit your all shoes better.Our orthotics provides moderate control and support in walking or sports shoes, work shoes and boots. Comfort and cushioning for all types of leisure or everyday footwear. Fit For Most shoes such as running shoes, work shoes and boots, high volume dress shoes, hiking shoes. 5.WARNING:Since the insole support is made of hard PU material, if the midsole of your shoes is hard, it will rub and make a sound,which is normal--You may feel foot pressure while 3-7 days of wearing. We strongly recommend starting from 2-3 hours a day and increase the time each day gradually