PVC Goodyear Welt joins the upper, insole, midsole and outsole for long-wearingstrength and durability.
PV C材料的固特异贴边将表层、鞋垫、鞋底夹层和鞋底连接起来，提供了良好的耐久性。
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The material choice is simple: the shoe is a laminate with Carbon fibre for the core which gives the shoe its spring and strength, leather on the foot side and rubber on the walking wearing side.
In a previous study, Trinkaus found that shoe-wearing and barefoot human groups show characteristic differences in the size and strength of their middle toe bones.