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该产品属于UNIQLO HEATTECH系列中保暖等级第二档（Extra Warm），比标准HEATTECH厚，比Ultra Warm薄，上下装均有对应款式可成套搭配

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UNIQLO HEATTECH Extra Warmproduct_sku 营地保暖内衣category

Related Claims

UnverifiedHEATTECH 系列有普通版与加绒版（Extra Warm / Ultra Warm）之分，保暖厚度差异明显，购买时需确认版本而非仅看 HEATTECH 标签87% similar UnverifiedHEATTECH 系列有普通、极暖（EXTRA WARM）、超极暖（ULTRA WARM）三档厚度，保暖需求高时不要默认选择普通款，需在购买时确认标签版本。85% similar Unverified极暖款（Extra Warm）比普通 HEATTECH 厚重明显，选购前应区分产品线：普通款适合轻度保暖叠穿，极暖款更适合单件作为主要保暖层，两者不可混同选购84% similar UnverifiedHEATTECH系列有普通版、超暖版（EXTRA WARM）、极暖版（ULTRA WARM）等不同保暖等级，背心款同样存在分级，选购前需确认所购为哪一等级，避免保暖不足或过热84% similar Unverified优衣库 HEATTECH 系列属于成熟量产基础款，版型和面料多年变化不大，口碑稳定，适合作为秋冬通勤/日常的入门保暖打底层叠穿方案。83% similar

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