Primeknit 360 upper wraps the foot for targeted support. BOOST cushioning offers endless energy return. Fitcounter molded heel counter for enhanced Achilles movement. Torsion Spring in the midsole provides support when you need it most. Stretchweb outsole with Continental Rubber offers durable traction on wet or dry surfaces. Brand new. Final sale. Please ask questions before purchasing. Follow us on Instagram: @herstorey @myclutterfix