Special Moisture Zone Helps Repair Dry, Cracked Heels.Just slip on these comfortable foot sleeves and effortlessly soften your dry, cracked heels while you rest. The heel area of these innovative nylon sockettes is lined with a special moisture zone of patented, vitamin-enriched gel that releases mineral oil to repair damaged skin. Use them alone, or for an even more intensive treatment, use with the enclosed 10-gram sample of Neat Feat® Foot and Heel Balm. 1 pair of sleeves per package. One Size Fits Most.