Features of the Teva Men's Ridgeview Mid Shoe Waterproof leather and bootie construction protects against heavy weather conditions to keep your foot comfortable and dry 50% Made from recycled polyester mesh Upper keeps your feet cool and comfortable 100% Made from recycled polyester waffle knit lining Lace-up entry allows you customise your Fit Responsive PU Footbed cushions your foot and puts a spring in your step TPU Shank stabilises and supports your foot on uneven terrain VIBRAM Mega Grip Outsole has the optimal balance of durability and sticky traction for wet and dry surfaces Added Aegis antimicrobial treatment keeps smells at bay Every piece of leather is sourced from tanneries certified by Leather Working Group, whose mission is to promote sustainable and appropriate environmental business practices within the leather industry