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Flatiron Merino Crew Thermal Shirt for Men

Original price was: $96.73.Current price is: $38.69.

-60%

This men’s thermal top delivers warmth, flexibility, and next-level comfort thanks to advanced merino fabric technology.

(3 customer reviews)

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Front view of men's thermal top showcasing athletic fit and soft merino finish
Flatiron Merino Crew Thermal Shirt for Men
$96.73 Original price was: $96.73.$38.69Current price is: $38.69.

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Designed for high-output days in frigid weather, the Flatiron Merino Crew Thermal Shirt for Men combines elite comfort with performance-grade materials. Crafted from 185 gsm Nuyarn® merino wool, it offers an unbeatable warmth-to-weight ratio and dries up to five times faster than traditional merino.

  • Premium merino wool shirt with 18-micron non-mulesed wool for itch-free comfort
  • Eyelet paneling and gusseted underarms for breathability and freedom of movement
  • Flatlock seams eliminate irritation, making this an ideal base layer under ski or hiking gear
  • Slim Tech Fit designed to layer smoothly under outerwear
  • Quick hang-dry loop for travel-friendly wear

Whether you’re exploring backcountry trails or commuting in cold city weather, this shirt stands out as one of the best thermal shirts for men.

Additional information

colors: No selection

A/CID/ASH, TIE DYE

sizes: No selection

S, L, XL, XXL

3 reviews for Flatiron Merino Crew Thermal Shirt for Men

  1. Peggy Young (verified owner)

    I bought this after reading reviews of merino wool base layers and it lives up to the hype. Keeps me warm without overheating.

  2. Lynn Sullivan (verified owner)

    I wear this men’s long sleeve performance shirt for trail runs in chilly weather—great stretch and stays dry.

  3. Savannah Pratt (verified owner)

    One of the best thermal shirts for men I’ve owned. Lightweight, super soft, and perfect under my ski shell.

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FAQs

How to maintain a merino wool shirt?
Machine wash cold on gentle cycle and hang dry. Avoid fabric softeners or bleach to preserve softness and technical performance.
Is this a good base layer for skiing?
Absolutely. It’s breathable, moisture-wicking, and designed to sit smoothly under your ski jacket.
Does this shirt offer odor control?
Yes, the natural properties of merino wool help resist odor, making it ideal for multi-day adventures.