For those who are looking for a trail running shoe with character, strength and grit. That model that has everything you need and is capable of facing any challenge. These are the K4 Trail AT166. The shoe that will complete the equipment that every runner wants to have. You'll get the protection and traction you need to enjoy, take advantage of and guarantee a great workout. The Bi-Density midsole provides cushioning and dynamism in the tread thanks to the set of materials that form it. Delight yourself in various weather conditions as it is designed with materials that facilitate quick drying and your feet will feel great breathability, promoting comfort at all times. It has the ATOM GRIP system that guarantees maximum grip thanks to the set of bidirectional 5 mm lugs, presented in perfect position for grip both uphill and downhill. The weight of 320 gr. is distributed in a shoe that will give you incredible experiences both in your favorite territories and in those that are yet to surprise you. Specifications: Material Textile Tamplate Extractable Technology Low density - Hard density Weight 320 gr Sport Trail running Heel height 5 mm Rear profile 40 mm Front profile 29 mm DROP 6 mm