The La Montana Fly Bottom is the warmest base layer from Hot Chillys®. Our unique MTF (moisture transfer fiber) blend wicks moisture away from your body giving you more energy to do what you do best; keep moving down the mountain. Interwoven with soft, non-abrasive Bio-Silver® yarns with permanent, silver-based antimicrobial properties to reduce the impact of odor causing bacteria. UPF 40+ fabrication protects your skin during outdoor activity by blocking harmful Ultraviolet A and Ultraviolet B rays (UVA and UVB).
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