Every boy should deserve such a pair of classic, practical and economic boots. It's black outlook is easy matching colors of clothes. All the materials, include tan upper PU, cand mesh lining, TPR outsole are environmentally friendly. We sold lots of similar construction but different color, material, pattern to USA and Europe in the past years,We can update the materials and pattern if customer has the demands. The existing outsole size range is TB4# to BB 6# for US size. We are looking forward to having a long-term cooperation with you in the future.