Specification ArchType : Medium Arch Brand : Birkenstock BulletPoint1 : Birkenstock has been in business since 1774, so they must be doing something right. * Arches and deep heel cup provide a flexible support. * Helps with excessive pronation. * Helps relieve heel pain symptoms. * Metatarsal arch a bit higher than regular Birkenstock to relieve more pressure on the ball of the foot. * Semi-flexible to absorb shock. BulletPoint2 : * Durable, breathable BulletPoint3 : Helps relieve heel pain symptoms. BulletPoint4 : Metatarsal arch a bit higher than regular Birkenstock to relieve more pressure on the ball of the foot. BulletPoint5 : Semi-flexible to absorb shock. Color : Blue Color1 : Black Color2 : Black CustomerPackageType : Standard Packaging Directions : Remove the current insoles from your shoes, place HappyStep insoles with your current insoles back to back, if your original insoles are smaller than HappyStep insoles, trim along the outline on the bottom of HappyStep insoles to match the size of your current insoles, insert HappyStep Insoles into your shoes (do not put HappyStep insoles on top of your current insoles in the shoes as it would be too thick and wide), replace your insoles every 3 months to promote healthy feet. ExternallyAssignedProductIdentifier1 : 736399022988 ExternallyAssignedProductIdentifier2 : 822698010440 ExternallyAssignedProductIdentifier3 : 0736399022988 ExternallyAssignedProductIdentifier4 : 0822698010440 ExternallyAssignedProductIdentifier5 : 00822698010440 Indications : arch pain relief, balance improvement, shock absorption, enhanced comfort and cushioning InsoleType : Arch Support Insole ItemDisplayDimensions_Height : 4 inches ItemDisplayDimensions_Length : 11 inches ItemDisplayDimensions_Width : 7 inches ItemForm : Foam ItemName : Birkenstock Birko Arch Support-Sport, Blue 1, 37 (US Women's 6-6.5) Medium ItemPackageDimensions_Height : 32.2834 centimeters ItemPackageDimensions_Length : 4.9022 centimeters ItemPackageDimensions_Width : 11.5062 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : shoe-insoles Manufacturer : Birkenstock Material : Ethylene Vinyl Acetate Material1 : Memory Foam Material2 : Gel ModelName : Birko Arch Support ModelNumber : 1001113 NumberOfItems : 1 PackageLevel : unit PartNumber : 9210 - - 037 Pattern : Solid ProductBenefit : Perspiration ProductDescription : Arch Supports Birko Sport by A 2-piece replacement insole for all athletic footwear. Flexible cork arch support with an EVA foam liner on top helps to absorb shock and cushion high impact areas. * Material: Foam/Cork * Brand: Birkenstock * Sizes: 35-47 ProductSiteLaunchDate : 2009-11-21T09:36:40.000-00:00 RecommendedUsesForProduct : Heel SafetyWarning : For optimal foot health, it is recommended to replace these insoles every 3 months. Always follow the provided sizing and installation instructions to avoid discomfort or injury. ShoeWidth : Medium Size : 37 M EU / US Women 6-6.5 M Style : Protech Control 3/4 SupplierDeclaredDgHzRegulation : not_applicable TargetGender : female TargetUseBodyPart : feet UnitCount : 1 UnspscCode : 46182208