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.

Polarmax Double Base Layer Pants for Women

4.0
(1 review)
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SKU: PMXDBLPW

  • Quick drying
  • Scent prevent anti-microbial
  • Comfortable flat seams
  • Relaxed fit
  • Feels like cotton

Your Price: $20.95
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List: $65.99 $9.50 (14%)

Your Price: $56.49
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Mountain Hardwear Wicked Lite T-Shirt Short Sleeve for Men

4.0
(3 reviews)
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SKU: MHWWLSMN

  • Fast drying fabric
  • Antimicrobial finish
  • Flat-lock seam construction 
  • Reflective trim
  • MHW classic design

Regular: $35.00 $17.05 (49%)

Your Price: $17.95
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In Stock + Wish list

List: $65.99 $9.50 (14%)

Your Price: $56.49
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Polarmax Double Base Layer Crew for Women

4.0
(2 reviews)
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SKU: PMXDBLCW

  • Stretches
  • Quick Drying
  • Scent Prevent Anti-Microbial
  • Relaxed Fit Flat Seams
  • Feels like cotton

Your Price: $20.95
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Sale

Regular: $49.00 $30.05 (61%)

Your Price: $18.95
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Polarmax 4-Way Stretch Zip Mock for Men

4.0
(1 review)
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SKU: PMXSSZMM

  • 4-Way stretch XG fabric
  • Quick drying
  • Scent prevent anti-microbial
  • Comfortable flat seams
  • Athletic fit

Your Price: $34.95
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In Stock + Wish list