DescriptionThis product made of nylon fabric allows ventilation to reduce uncomforting. You will feel comfortable when wearing with socks, shoes, sneakers, boots. Combined with gel pad, this heel gel socks can reduce pains of plantar fasciitis, Achilles tendonitis tendon, heel spurs, sore heel. Great for running, walking, standing. Besides, It is stretchy and not easy to deform, can fit for most heel. It can be daily used together with a moisturizer to create better effect.Features- Color: Black. - Material: Nylon + Gel. - Size M: 10cm (Length); 7.2cm (Top Welt Width); 8cm (Bottom Welt Width);Size L: 10.5cm (Length); 7.7cm (Top Welt Width); 8.5cm (Bottom Welt Width); - Gel material: made of and durable medical-grade silicone gel which is non-toxic, odorless and free of latex! Totally environmental-friendly and healthy material! - Heel gel socks can reduce pains of plantar fasciitis, Achilles tendonitis tendon, heel spurs, sore heel. Great for running, walking, standing - Very stretchy and not easy to deform, can fit for most heel. - Nylon fabric allows ventilation to reduce uncomforting. You will feel comfortable when wearing with socks, shoes, sneakers, and boots. - Together with a moisturizer to create better effect. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!