Check the listing for details. Silipos Wonder-Spur Soft Silicone Heel Cups Blue 1 pair/pkg. Condition: New. Listed at 25.99 USD. Silipos Wonder-Spur Soft Silicone Heel Cups Blue 1 pair/pkg Wonder-Spur Silipos 450X Dual density silicone provides maximum support and shock absorption Aids in calcaneal spurs, plantar fasciitis, heel spurs, and knee & back pain Latex free and hypoallergenic 1 Pair/Package A softer density, colored silicone gel area provides additional relief to sensitive areas that need it the most. Silipos® WonderSpur - WonderSpur is a dual-density, clear silicone orthotic designed to provide maximum support and shock absorption. A softer density, colored silicone gel area provides additional relief to sensitive areas that need it the most. Features: Dual-density silicone provides maximum support and shock absorption Aids in calcaneal spurs, plantar fasciitis, heel spurs, and knee & back pain Latex-free and hypoallergenic Quantity: 1 Pair/Package Size: Small, Medium, Large, or X-Large Color: Clear Manufacturer: Silipos® Brand: WonderSpur Indications: Aids in cushioning and healing foot pain such as; calcaneal spurs, plantar fasciitis, heel spurs, knee & back pain. Options: Small (4500) UPC: 614464045004 Medium (4501) UPC: 614464045011 Large (4502) UPC: 614464045028 X-Large (4503) UPC: 614464045035 Sizing Guide: Shoe Size Small: Men's 2-4, Women's 4-5 Medium: Men's 5-7, Women's 6-9 Large: Men's 8-10, Women's 10-12 X-Large: Men's 11+, Women's 12+