Outdoor Research Ultra Trail Gaiters 88% Nylon/12% Spandex Imported Water-resistant Breathable, abrasion resistant Lightweight, movement-mirroring stretch Double pivoting boot Lace hooks, anti-slip silicone pads Option instep strap, reflective print Movement Mirroring Stretch Flat Seam Construction Molded Boot Section Hook/Loop Patches at Heel for Secure Attachment