Why They're CoolA quarter-mile into my Fugitive load test, I turned around, went home, and topped off my pack with another ten pounds of gear. A way-old-school monster load of 45 pounds proved to be child's play. » A supportive synthetic exterior heel cup partially explains the firm foundation. The rest of the credit goes to Asolo's stiff but cradling polyurethane midsole and dual-density nylon insole. » A Gore-Tex bootie ensures a dry ride through puddles. » Friction-free lower eyelets facilitate one-yank lace tensioning, and lockers at the instep maintain that tension. » The outsole is just mean enough for all-around traction, yet firm enough for durability.Hmmm . . .The main horizontal seam on the uppers is situated exactly where I'd expect the most abrasion.