This Foot Protection sleeve by Gel Smart provides a soft gel cushion in the Achilles area and Top of the foot. Use these foot protection sleeves for treatment of pain and discomfort of tendonitis, bursitis, heel prominences, pump bumps or any tenderness by the heel or on the top of the foot. Made of a soft nylon & Lycra material with gel pad cushions located in the Achilles and Top of the Foot areas. Gelsmart gel pads offer protection and cushioning to sore, feet while slowly releasing a medical grade mineral oil to help soften and provide moisture to the feet Achilles protection sleeve is easy to slide on and off and is comfortable to wear all day. Nylon sleeve is tan colored and can be washed for reuse. Large achilles protection sleeve is 8.5" with an opening of 4.25'' with a fully stretched dimension of 5.25''. Tan color, sold each.