Brooks Caldera 3 Women's Trail Running Shoes Black/Gray/Teaberry : The new Brooks Caldera 3 takes over for its predecessor with a few updates to provide trail runners with better protection and security during their run. A fresh upper design adds to the excitement of lacing these babies up and taking them out on your next trail endeavor. For Runners Who...Want an energized run with supreme protection and traction on tough terrain. Runners with a medium to high arch and neutral gait cycle would be best with this trail model. What's New?Updates to the lace garage help keep laces secure and out of the way during the run. A new gaiter attachment point is featured at the front for improved security and enhanced protection. Technical Elements Upper:The upper combines Ariaprene mesh for maximum ventilation and drainage. Integrated Gaiter Tab at the heel secure gaiters with a hook and loop. 3D Rubber Print applies a strategic stretch and structure. Midsole:BioMoGo DNA midsole provides adaptive and responsive cushioning. Midsole is stacked high to promote a steady stride over long distances, while protecting against trail hazards. Outsole:Features a TrailTack sticky traction rubber outsole with high surface area lugs for uphill and downhill traction.