09/64 Hiker celebrates Yosemite and the visionary efforts of the Wilderness Preservation Act of 1964. Uppers are made of superior sueded leather. Laces are round waxed cotton. D-ring and flat eyelets are either carbon or antique nickel. Comfort footbed and uppers are lined throughout in naturally antibacterial and hypoallergenic bamboo canvas to keep your foot dry and odor free. Heel counters are sueded leather to secure fit. Calendar outsole is made with our patented SeaVulc Natural Rubber manufacturing process. Natural Rubber is softer and more elastic resulting in superior cushioning, reduced weight, increased flexibility, and maximum slip resistance.