The sidi adventure gore-tex boots are ideal for both on and off road riders who want the perfect combination of function, durability and style. This popular design uses the latest in cutting edge waterproof technology, and provides excellent protection for your entire foot. What separates this boot from its competitors is that instead of using synthetic leather it uses a split grane leather lined with Gore-Tex®, which has a waterproof and breathable membrane, built into the entire boot. The boots waterproofing will keep your foot dry from the elements, and thanks to its breathability will also make it one of the most comfortable bike boots you will ever wear. The boots gore-tex membrane has 9 billion pores per square inch, which means no matter how hard you work when wearing your boots, the membrane will always allow your perspiration to evaporate through the leather leaving your foot dry, and still protected from the elements. These boots have become one of the most popular designs for touring, adventure touring and off road riding, as they have a lot of protection and support for your feet and ankles, but are comfortable enough to wear on and off the bike. The inside lining of the boot is a fleece gore-tex lining which adds to the overall comfort when wearing the boots for long periods of time. The sidi adventure gore-tex boot is an all weather and all season boot that is comfortable and flexible enough to wear on all your bike journeys.