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Fine yarns yield a luxuriously soft touch, and N66 construction resists abrasion and tearing.\u003c\/p\u003e\n\u003cp\u003e Zoned Dynamic Warmth\u003c\/p\u003e\n\u003cp\u003eModular segmented design features 0°C grid fleece panels on high-sweat, high-ventilation zones (sides, underarms, under sleeves). 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