Soft and comfortable gel material; Our heel cups are made of durable, high-quality gel for superior cushioning. Infused with vitamins to moisturize your skin. Anti-odor and latex-free. UPGRADED DESIGN: Inner fabric is Brushed Lycra, soft and smooth, fits your skin perfectly, absorbs sweat and leaves you feeling clean and comfortable. Breathable fabric provides extra and helps retain warmth. INSTANT HEEL PAIN RELIEF - Best heel pain treatment, cracked heel protection, relieve heel spurs and tingling, sore feet, plantar fasciitis, treat stress fractures, sprained feet when walking or running. All-day comfort; heel pads provide foot protection, reduce friction and shock absorption. Effective for wearing comfort in dress shoes, high heels, work boots, ballet shoes. Weight: 153-187G for one pair