Features of the Merrell Women's Trail Glove 4 Knit Shoe 3D knit Upper for 360-degree sock-like Fit Elastic cord and lock lacing system for quick secure Fit Stretch collar for easy on and off Protective TPU toe cap Hyperlock TPU film heel counter for security Integrated Footbed 2mm cushioning layer for increased underfoot comfort TrailProtect pad offers additional support off road Merrell BArefoot construction is minimal yet protective for versatility outside A better job of creating lug patterns that provide stability in all conditions, with no lugs placed under the arch Two advanced rubber compounds Trek and TC5+ that provide sure traction on both wet and dry surfaces in even the most extreme temperatures