UA Base 4.0: Mega-grid thermal fleece for the ultimate warmth in the brutal cold. Thermal grid fabric traps heat in tiny pockets for long-lasting protection. Quick-dry construction wicks moisture to keep you drier, lighter &...

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UA Base 4.0: Mega-grid thermal fleece for the ultimate warmth in the brutal cold. Thermal grid fabric traps heat in tiny pockets for long-lasting protection. Quick-dry construction wicks moisture to keep you drier, lighter & more comfortable. 4-way stretch construction moves better in every direction . Anti-odor technology prevents the growth of odor-causing microbes . Wide, flat waistband with a rise that sits just right on your hips. Inseam: 29.5".

  • UA Base 4.: Mega-grid thermal fleece for the ultimate warmth in the brutal cold
  • Thermal grid fabric traps heat in tiny pockets for long-lasting protection
  • Quick-dry construction wicks moisture to keep you drier, lighter & more comfortable
  • 4-way stretch construction moves better in every direction
  • Under Armour’s mission is to make all athletes better through passion, design and the relentless pursuit of innovation

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