Ruffwear’s updated Grip Trex design features Strobel last and lighter, more streamlined construction and materials with fewer seams to reduce bulk and increase performance. The boots have a secure closure system to lock out debris, breathable mesh uppers and high-visibility Vibram outsoles. It is a great all-around boot to protect against hot pavement, ice and snow melt, and varied backcountry terrain. It is the official boot of Guide Dogs for the Blind. Now in a blue spring color and smaller sizes.