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Men's HeatFX Midweight Base Layer Long Underwear

Prices as of September 26, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at Macy's price tracker

14-day low
$45.00
Sep 13 · Macy's
Best price
$45.00
−0% vs high
14-day high
$45.00
All stores
$45$45$45
Sep 13Sep 26
  • Macy's
Lowest in 14 days: $45.00 at Macy's. Highest: $45.00. Current best is 0% below the 14-day high.

About this product

Stanfield's Men's HeatFX Midweight Base Layer Long Underwear is a performance-focused long underwear designed for moderate to high activity levels. Made with a 96% polyester, 4% spandex blend, it features a lightweight heat-branded waistband and a functional fly opening for convenience. The fabric uses Heat Ultralight technology with microscopic fiber pockets that enhance thermal insulation without adding bulk. Flatlock seams reduce chafing, and tagless labeling improves comfort. Machine washable and imported.

  • 96% polyester, 4% spandex
  • Functional fly opening
  • Flatlock seam construction
  • Tagless labelling
  • Machine washable
  • Lightweight heat-branded waistband

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Men's HeatFX Midweight Base Layer Long Underwear — Price History