Some choices contain waterproof or oil and slip-resistant outsoles. Most of our work boots are equipped with 4LR footed support technology constructed into the sole with the shoe for exceptional comfort and all-working day wear. Ariat's Adult males's work boots have supportive technology to help keep your feet comfortable. Ariat http://ezproxy.cityu.edu.hk/login?url=https://en.wikipedia.org/wiki/Comfort