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.

Sale

Polarmax Micro H2 Base Layer Unfitted Hoodie

SKU: PMXMHUH

  • Relaxed Fit
  • Flat Seams
  • Antimicrobial
  • Moisture Wicking
  • Unisex design

Regular: $34.95 $10.00 (29%)

Your Price: $24.95
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Sale

Polarmax Micro H2 Base Layer V-Neck for Women

SKU: PMXMHVW

  • Base layer
  • Polyester fabric
  • Stretch ability
  • Machine washable
  • Contrast Stitching

Regular: $39.95 $20.00 (50%)

Your Price: $19.95
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Sale

ColdPruf Authentic Wool Plus 92 Crew for Men

SKU: CLDAWCM

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

Regular: $22.99 $2.00 (9%)

Starting at: $20.99
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Sale

Polarmax Micro H2 Base Layer Zip Mock for Men

SKU: PMXMHZM

  • Acclimate dry polyester
  • Weight 0.5 lb.
  • Ventilating zip neck
  • Plaited construction

Regular: $32.95 $8.00 (24%)

Your Price: $24.95
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Polarmax 4-Way Stretch Zip Mock for Women

SKU: PMXSSZMW

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

Your Price: $34.95
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Sale

Polarmax Micro H2 Base Layer Zip Mock for Women

SKU: PMXMHZW

  • Flat seams
  • Antimicrobial
  • Quick dry
  • Front zipper

Regular: $32.95 $8.00 (24%)

Your Price: $24.95
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Sale

ColdPruf Basic 90 Crew for Men

SKU: CLDBCM

  • Two layer engineering
  • Natural warmth barrier
  • Tagless
  • Flat seams

Regular: $11.99 $1.00 (8%)

Starting at: $10.99
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Icebreaker Tech Top Long Sleeve Midweight Crewe for Women

SKU: ICBTLMCW

  • Odor resistant
  • Breathable
  • Merino wool
  • Offset shoulders
  • Midweight

Your Price: $99.99
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Polarmax Maxride Crew for Men

SKU: PMXMRCM

  • Layering piece or wear alone
  • Contrast stitch
  • Machine wash & dry, no shrinking
  • Lightweight rib knit 
  • Anti-microbial and scent prevent

Your Price: $17.95
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Sale

Regular: $11.99 $2.00 (17%)

Starting at: $9.99
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Sale

ColdPruf Enthusiast 97 Crew for Men

SKU: CLDECM

  • 100 percent polypropylene
  • Single layer engineering
  • Lightweight, comfortable fit
  • Flat seams

Regular: $13.99 $2.00 (14%)

Starting at: $11.99
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ColdPruf Platinum Crew for Women

SKU: CLDPCW

  • Polyester
  • Flat Seams
  • Ring Spun Yarns
  • Thermachoice System

Your Price: $19.99
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Terramar Ecolator CS Fleece Scoop 3.0 for Women

SKU: TRMECS3W

  • Comfort in all seasons
  • Antimicrobial
  • Heavyweight
  • Breathable

Your Price: $25.95
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Polarmax Maxride Crew for Women

SKU: PMXMRCW

  • Layering piece, or wear it alone
  • Contrast stitch
  • Machine wash & dry, no shrinking
  • Lightweight rib knit
  • Anti-microbial to prevent any scent

Your Price: $17.95
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In Stock + Wish list

ColdPruf Basic 60S Top and Bottom Base Layer Set for Kids

SKU: CLDBK

  • Two layer engineering
  • Natural warmth barrier
  • Tagless
  • Flat seams

Your Price: $22.99
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In Stock + Wish list