Extra-Thick Comfort & Maximum Pain Relief Orthotic arch support Full-length footbed Heat-moldable or wear-moldable Base layer custom molds to your unique foot shape while still maintaining support Soft, comfortable, high-density foam for shock absorption and maximum comfort Comfort-shaped arch design provides ideal foot support, reducing stress on feet and knees Heel cup is designed for optimal support while stabilizing and positioning the heel to absorb impact TemperWeave top layer fabric reduces moisture and odor-causing bacteria Arch Height: 32 mm Thickness at forefoot: 5.40 mm Thickness at heel: 4 mm Perfect for all work boots, hiking boots and athletic shoes.