Dynamic Motion Technology�?provides stability in the heel and an enhanced toe spring that helps move you forward. PURGrip® tread provides traction on slippery surfaces. TRUComfort® insole has cushion and support that never quits. SmartKnit�?upper is stain and water-resistant. Treated to help fight odors. Lace-Up Closure. Padded Collar. Durable Synthetic Outsole. Machine Washable.