Duofold Insulayer Originals 2-Layer Men's Long Underwear Crew Neck Top is designed for outdoor activities, including trekking, camping and skiing.Merino wool blend outer layer and soft 100% cotton inner layer form a 2 layer ...

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Duofold Insulayer Originals 2-Layer Men's Long Underwear Crew Neck Top is designed for outdoor activities, including trekking, camping and skiing.Merino wool blend outer layer and soft 100% cotton inner layer form a 2 layer thermal barrier that traps air.

  • Thermal shirt featuring crew neckline and interlock seaming
  • Thermal shirt featuring crew neckline and interlock seaming

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