Merrell MQM Flex Mid GORE-TEX Walking BootsInspired by athletes and made for you. This hybrid packs all the technology needed for moving quickly in the mountains, and enjoy the benefits of GORE-TEX, keeping your feet dry and protected.GORE-TEX UpperThe MQM Flex Mid GORE-TEX Walking Boots from Merrell is made from GORE-TEX fabric. GORE-TEX is a fully waterproof membrane which blocks out water but is also superbly breathable, allowing the wearer to stay dry, cool and comfortable as they train. A bellows tongue works to shield the foot and inside of the shoe from dirt and debris which could possibly enter, especially on loose, rugged trails.In addition, Mesh and TPU have also been added to the shoes upper which allow warm air to be released from the shoe at the same time as allowing cool air to flow in, keeping the wearer's feet and the inside of the shoe as cool, dry and comfortable as possible. The TPU provides superb durability and offers some support the uppers construction. A metal hook and lacing eyelet work in tandem with the TPU to help provide a more structured fit, preventing any movement from occurring inside the shoes.M-Select Fresh is added to the inside of the shoes that prevents the growth of odour causing microbes, ensuring your shoes stay smelling fresh for longer. Lastly, a hyperlock printed TPU film heel counter offers security and locks the heel into the shoe to also prevent any movement from occurring.