Panama Sole Technology using SOF ROC rubber Dual density EVA midsole Full length Rock &';n Roll Plate Waterproof membrane construction Quick drying nylon mesh and microfiber PU upper Molded external rubber toe Rugged Trail Runners having tactical features starting with Altama&';s legendary Panama Sole technology. Using sticky SOFROC rubber that wraps up in the arch to aid in fast roping, we&';ve turned a typical trail runner into a tactical machine! Rugged Trail Runners having tactical features starting with Altama&';s legendary Panama Sole technology. Using sticky SOFROC rubber that wraps up in the arch to aid in fast roping, we&';ve turned a typical trail runner into a tactical machine!table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }