Close-up of REI Co-op men's thermal shirt fabric showing moisture-wicking texture
Athlete wearing the ski base layer top while adjusting thumbholes on mountain
Layering demonstration with jacket over the UPF-protected mens long sleeve shirt
Close-up of REI Co-op mens thermal shirt fabric showing moisture-wicking texture
Athlete wearing the ski base layer top while adjusting thumbholes on mountain
Layering demonstration with jacket over the UPF-protected mens long sleeve shirt
Close-up of REI Co-op mens thermal shirt fabric showing moisture-wicking texture
Front view of women's moisture-wicking base layer top showing thumbholes and sleek fit REI Co-op Midweight Women's Moisture-Wicking Base Layer Top $54.95 Original price was: $54.95.$21.98Current price is: $21.98.
Women's moisture wicking base layer top in action, showcasing its comfort and flexibility during outdoor activities UltraComfort Women's Moisture Wicking Base Layer Top $39.95 Original price was: $39.95.$15.98Current price is: $15.98.
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REI Co-op Men’s UPF 50+ Midweight Thermal Shirt | Ski Base Layer Top with Thumbholes

Original price was: $54.95.Current price is: $21.98.

-60%

The ultimate men’s thermal shirt for skiing—moisture-wicking fabric, UPF 50+ protection, and thumbhole sleeves for all-day comfort.

(3 customer reviews)

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Close-up of REI Co-op men's thermal shirt fabric showing moisture-wicking texture
REI Co-op Men’s UPF 50+ Midweight Thermal Shirt | Ski Base Layer Top with Thumbholes
$54.95 Original price was: $54.95.$21.98Current price is: $21.98.

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Engineered for cold-weather performance, this REI men’s thermal shirt with UPF protection keeps you dry and shielded from the sun. The midweight long sleeve base layer with thumbholes features recycled polyester/spandex fabric that moves sweat away from your skin while providing stretch for unrestricted motion.

  • UPF 50+ rating blocks harmful UV rays
  • Brushed interior traps warmth for frigid ski days
  • Flat-seam construction prevents chafing under gear
  • Thumbholes secure sleeves and seal in heat
  • Bluesign® approved materials for eco-conscious wear

Ideal as a ski base layer or standalone shirt for hiking and winter sports. Machine washable for easy care.

Additional information

colors: No selection

BLUE NIGHTS HEATHER, BLACK, DEEP CARMINE, HARVEST SAGE, REDROCK, ARMY COT GREEN, BLUE SHALE, MALACHITE, TUNDRA TEAL, ACACIA BROWN

sizes: No selection

S, M, M Tall, L, L Tall, XL, XL Tall, XXL, XXL Tall, XXXL

3 reviews for REI Co-op Men’s UPF 50+ Midweight Thermal Shirt | Ski Base Layer Top with Thumbholes

  1. Elizabeth Moyer (verified owner) –

    This is hands-down the best men’s base layer top for skiing. Stayed dry during a full day at Breckenridge even with heavy sweating. Thumbholes are a game-changer!

  2. Marcia Chan MD (verified owner) –

    Bought two after testing one—perfect weight for Colorado winters. The UPF protection is legit for skin safety at high altitude.

  3. Kathleen Banks (verified owner) –

    Worth every penny. I’ve tried cheaper thermal shirts that pill or lose shape, but this REI layer still looks new after 20+ washes.

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FAQs

How should I layer this shirt for skiing?
Wear it as your first layer against skin, adding an insulating mid-layer and waterproof shell. The smooth face fabric prevents snagging while the thumbholes keep sleeves secure under gloves.
Can I wear this for activities besides skiing?
Absolutely—it's ideal for snowshoeing, winter hiking, or cold-weather running. The UPF protection also makes it great for summer sun when you need coverage.
How do I clean this thermal shirt?
Machine wash cold with similar fabrics. Avoid fabric softeners to maintain moisture-wicking performance. Hang dry or tumble dry low—the recycled polyester resists shrinking.
SKU: rei-midweight-base-layer-thumbholes-9t3m Category: Tags: , , , , , , ,

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