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Free U.S. standard shipping on orders of $75.00 or more30-day returns

Men's Thermal Underwear Set Fleece-Lined Base Layer With Fly Front

From $67.99

In stock — ready to ship

This men's two-piece thermal underwear set includes a long-sleeve base layer top and matching long johns. The soft microfleece lining keeps you warm in cold weather without feeling bulky, and the fabric wicks sweat away so you stay dry during hikes, runs, and ski days.

Color: Black
Size: Select a sizeSize guide
1

  • Secure checkout
  • Free shipping on orders of $75.00 or more
  • 30-day returns
Product Description

Wear it alone as a casual home suit or as a base layer under outerwear for skiing, hiking, camping, or the gym. Each unit is one two-piece thermal underwear set.

  • Soft fleece-lined knit with 4-way stretch
  • Moisture-wicking, quick-dry, breathable fabric
  • Flatlock seams with no middle seam to reduce chafing
  • High elastic waistband that keeps its shape after washing
  • Fly front on the long johns
  • Choose from solid colors and camouflage prints
  • Sizes S, M, L, XL, XXL, and 3XL
Materials & Care

Follow the care label sewn into the garment.

Size & Fit

Sizes S, M, L, XL, XXL, 3XL

Sizing help

Shipping & Returns

Orders are prepared in 1–2 business days and ship within the United States. Standard shipping is free on orders of $75.00 or more; below that it is $6.99.

MethodHandlingTransitTotalCost
Standard1–2 business days5–7 business days6–9 business days$6.99, free on orders of $75.00 or more
Express1–2 business days2–4 business days3–6 business days$12.99
Overnight1–2 business days1–2 business days2–4 business days$24.99

Returns are accepted within 30 days of delivery, with no restocking fee.

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