They do a great job keeping your feet warmer; And they are durable and effective Made mainly of stretch neoprene material, the stitching is made with a tough nylon which are designed to last a long time And both sides of each boot cover have abrasion proof side pads, so that the boot cover is more durable Adjustable hook and loop heel strap, simple pull-up design, so that the ski boot cover glove better fit your boot Side abrasion resistant patches for durability and wear. Wind and water resistant neoprene material. Package Included: 1 x Skiing Boot Glove Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!