Even the best boots come with mediocre stock insoles. A quality aftermarket insole can transform the fit, support, and long-term comfort of almost any outdoor footwear — reducing fatigue on long days, improving stability on uneven ground, and helping prevent the kind of foot and knee issues that come from poor arch support over many miles. Mountex stocks insoles from specialist footbed brands used and trusted by guides, long-distance hikers, and mountain athletes. A small investment with a significant return.