MTB sneakers F55KN differ from the original version F55 more breathability and the manufacturer puts a huge emphasis on the fitting of the shoe on the foot. The trainers are made from a triple layer of extra thick XD-Knit nylon yarn, which provides security while not overheating the feet too much. New features include a seamless upper constructed with TPU protection and reinforced toe support. Also, the mesh heel lining has been replaced with leather, but this hasn't added to the final weight. The F55KN trainer is just as lightweight as the F55.The M250's MTB outsole provides excellent energy transfer, and its dual-density lugs increase grip on the ground. Full-length arch support ensures that the sole won't pack down over time, and removable toe spikes promote better traction on rougher terrain. The shoe features three Velcro straps for a precise and secure fit.Weight 323 g
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