Geometric pattern leg gaiters made of windproof and dustproof material, providing solid protection for your feet. - Size: M - Color: Red-Star Dustproof. Not waterproof or windproof. - Brand: SPEEDSHEER - Color: Red-Star (patterned) - Material: Stretch material - Size: 20x5cm with Velcro - Application: Outdoor/Mountaineering gaiters Thank you for viewing. The front is fixed by hooking onto the shoelaces. The back uses the adhesive backing of the included Velcro, which you cut and stick to the heel for fixing. The corresponding shoe size is 25.5~27.5cm, but it seems like it could accommodate an additional 1~2cm.