Size 2Retains classic Docs DNA including grooved edges, yellow stitching and a scripted heel loop.Built on the iconic and comfortable Dr. Martens air-cushioned sole and featuring flexible, lightweight cemented construction for growing feet.Goodyear® welt construction heat seals and sews the upper and sole together for superior flexibility and longevity.Air-cushioned rubber outsole with a slip-resistant finish.Side zipper.