DescriptionThese insoles are comfortable, and sweat-absorbing, can relieve the pain caused by military training, can quickly absorb sweat, dry out breathing, and are suitable for standing comfortably for a long time. They absorb sweat and are comfortable every day, and they keep your feet comfortable.Features-Material: Pure Cotton Cloth. -Size 37: About 23.50X8.00X0.50cm/ 9.24X3.14X0.20in. -Size 38: About 24.00X8.00X0.50cm/ 9.43X3.14X0.20in.-Size 39: About 24.50X8.50X0.50cm/ 9.63X3.34X0.20in. -Size 40: About 25.00X8.50X0.50cm/ 9.82X3.34X0.20in. -Size 41: About 25.50X9.00X0.50cm/ 10.02X3.54X0.20in. -Size 42: About 26.00X9.00X0.50cm/ 10.22X3.54X0.20in. - The material we choose is very good, and tough. - The insoles also have anti-skid and wear-resistant functions, allowing you to walk more stable. - Our insoles are light, and comfortable to wear. - Suitable for most shoe types, more comfortable to walk. - Soft, shockproof, non-slip, suitable for military training.