Unverified88% confidenceDecision RuleTime unknown

真皮首层皮（headcut/full grain）保留天然毛孔纹理、透气性好、越穿越有光泽；二层皮（split leather）是剖层后经PU涂层处理，价格低但易开裂脱皮，选购时看断面纤维和毛孔真实度可区分

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Unverified全粒面牛皮（Full Grain）保留皮革表面天然纹理，透气耐用可养出光泽；修面皮/贴膜皮外观均匀但易开裂脱皮，判断方法看皮面是否有自然毛孔纹理86% similar Unverified头层牛皮（Full Grain/Top Grain）保留天然纹理、越用越有光泽，二层皮和PU革（贴合皮）易开裂脱皮；辨别方法看切口断面，头层皮纤维紧密呈毛绒状，PU断面为均匀发泡层83% similar

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