Feature - Color: Brown. - Material: Microfiber, latex, PPT plastic. - Size 35-36: About 15.8 cm (Length), 7 cm (Width), 0.15 cm (Forefoot Thickness), 2.8 cm (Arch Hight), 0.6 cm (Heel Hight) - Size 37-38: About 16.8 cm (Length), 7.2 cm (Width), 0.15 cm (Forefoot Thickness), 2.8 cm (Arch Hight), 0.6 cm (Heel Hight) - Size 39-40: About 17 cm (Length), 7.8 cm (Width), 0.15 cm (Forefoot Thickness), 2.8 cm (Arch Hight), 0.6 cm (Heel Hight) - Size 41-42: About 18.4 cm (Length), 8.4 cm (Width), 0.15 cm (Forefoot Thickness), 2.8 cm (Arch Hight), 0.6 cm (Heel Hight) - Size 43-44: About 19.6 cm (Length), 8.6 cm (Width), 0.15 cm (Forefoot Thickness), 2.8 cm (Arch Hight), 0.6 cm (Heel Hight) - Size 45-46: About 20.2cm (Length), 8.5 cm (Width), 0.15 cm (Forefoot Thickness), 2.8 cm (Arch Hight), 0.6 cm (Heel Hight) - Excellent wear resistance, aging resistance, air permeability, and toughness, meet the requirements of environmental protection. - Good elasticity, strong absorption ability, compression resistance, good bearing capacity, comfort and durability. - for those who are with flat feet, rigid steps and plantar fasciitis. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and 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