Comfort Fit® PRO Hiker Size:11.5 Meindl's lightest synthetic hiking sock meta related collection Versatile Meindl's lightest synthetic hiking sock for warm weather trail use and everyday outdoor activity — built with ergonomic ventilation channels these insoles provide the performance foundation that makes Meindl's most comfortable boots even more comfortable — supporting the natural shape of your foot with materials that adapt to your unique foot geometry over time more accommodating fit that works with your foot's natural shape to reduce fatigue across long days on varied terrain and the Vibram® outsole provides dependable traction on the mixed surfaces that off trail hiking and early season hunting consistently deliver