Five Ten - Guide Tennie (Tan) - Men's: Zappos.com suggests buying a half size larger due to the low volume fit. ; This shoe can hike 10 miles to the climb, then ascend a 5.13 route, or better yet, a thousand feet of fourth classing. Synthetic propex upper with leather. Rocker last, which makes walking efficient and comfortable. Stealth C4 rubber outsole technology.