KEEN Nxis Speed Hiking Shoe - Men。The KEEN NXIS Speed Hiking Shoes for men in size 12 US are perfect for outdoor activities like hiking, running, and cross-training. These black and grey sneakers feature a low-top design, lace-up closure, and a standard shoe width for a comfortable fit. Made with breathable mesh upper material and a cushioned, lightweight rubber outsole, these athletic shoes provide comfort and support for various outdoor adventures during the summer and fall seasons. The KEEN brand is known for quality outdoor footwear, making these hiking shoes a reliable choice for active men. Lots of wear left! Excellent condition. Cleaned and washed with a nylon brush and cleaning solution as best I could.