Base Layers & Mid Layers

SunnySports.com offers a wide variety of base, mid layers & thermal underwear to be worn in any conditions. These undergarments are sweat-resistant, quick-dry, and durable. We carry tops and bottoms from high quality brands such as Under Armour, Terramar, and SmartWool. Wearing these performance underwear underneath your outfit ensures a comfortable and dry adventure in the outdoors. Whether you're looking for leggings, tights, thermals, or a layer to keep your torso warm and dry, we have what you are looking for.

List: $99.99 $25.00 (25%)

Your Price: $74.99
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Minus33 Merino Wool Mid Weight Bottoms for Men

SKU: MINMWBM

  • 100% 18.5 Micron Merino Wool
  • 230 g/m2 Interlock knit construction
  • Flat lock seams

List: $65.99 $9.50 (14%)

Your Price: $56.49
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List: $65.99 $9.50 (14%)

Your Price: $56.49
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ColdPruf Classic 170 Silk Weight Merino Wool Pants for Men

SKU: CLDCPM

  • Merino wool
  • 5 ounce silk weight
  • Single layer jersey knit
  • Tagless, flat seams

Regular: $46.99 $5.00 (11%)

Starting at: $41.99
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Terramar Men's Thermolator II Pants

5.0
(1 review)
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SKU: TRMMT2P

  • 86% Micro-Polyester and 14% Spandex
  • ec2 Qwik-Dri Thermoregulation Comfort Technology
  • Two Fabric Jersey and Mesh Construction
  • Anti-microbial
  • Fabric Weight: 180 grams (5.36 oz.)

Regular: $17.95 $3.00 (17%)

Starting at: $14.95
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Minus33 Merino Wool MidWeight Bottoms - Men's

Mossy Oak Infinity

SKU: MINMBMMO

  • Merino wool
  • Interlock knit construction
  • Flat lock seams
  • Machine wash, dry

List: $80.99 $12.00 (15%)

Your Price: $68.99
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ColdPruf Authentic Wool Plus 92 Pants for Men

SKU: CLDAWPM

  • Ring spun cotton, Merino wool, nylon
  • Combed, ring spun cotton
  • Inner layer body heat
  • Rib ankle cuffs

Regular: $22.99 $2.00 (9%)

Starting at: $20.99
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