Unverified78% confidenceTradeoffTime unknown
纯棉外层透气性好但保暖填充较薄，2.5 TOG在极寒环境（室温低于16°C）下保暖力不足，需额外加穿内衣
1
Sources
78%
Confidence
Long-term
Relevance
-
First Seen
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Unverified填充为High Loft合成棉而非羽绒，保暖性在温和至中度寒冷条件下够用，但极寒（如-20°C以下长时间户外）场景保暖厚度可能不足。88% similarUnverified薄款保暖是其核心权衡：比普通棉质打底衫暖，但在极寒环境（气温0℃以下）保暖性明显不足，需叠穿加厚款或羽绒。86% similarUnverified填充为合成棉，保暖性能适合室内雪场或温度较高的初级场地，低于 -10°C 的寒冷环境保暖力明显不足。86% similarUnverified室温判断厚薄：室温24-26℃用单层纯棉/竹纤维薄款(TOG约0.5)；20-23℃用双层或纱布款(TOG约1.0)；室温低于20℃再叠加睡袋，襁褓本身不宜过厚以防过热85% similarUnverified透气性优于羽绒或普通合成棉中间层，但整体保暖量偏低，极寒静止状态（如冬季观景、营地休整）下保暖不足，需叠加外层。84% similar
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