His long white coat was spotless, he walked noiselessly on crepe rubber soles.
他的白色长外套一尘不染， 他踩着绉胶鞋底走起来无声无息。
Crepe rubber
原声例句
漫长的告别（上）
英语百科
Crepe rubber
Crepe rubber is coagulated latex that is rolled out in crinkled sheets, commonly used to make soles for shoes and boots but is also a raw material for further processed rubber products.