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.

Terramar Women's Thermawool 100% Merino Wool V-Neck Shirt

SKU: TRMWTWV

  • Superfine Merino Wool
  • Soft
  • Breathable
  • Moisture Management
  • Anti-microbial

Your Price: $35.95
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Terramar Cloud Nine CS Tight 2.0 for Women

SKU: TRMCNT2W

  • Thermolator II fabric
  • EC2 Qwik-Dri technology
  • Anti microbial
  • UPF 25 sun protection

Your Price: $17.95
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Terramar Ecolator CS Fleece Half-Zip 3.0 for Women

SKU: TRMECH3W

  • Comfort in all seasons
  • Antimicrobial
  • Heavyweight
  • Breathable

Your Price: $28.95
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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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Terramar Women's Pointelle Silk Pant

SKU: TRMWSP

  • Material: 100% Filament Pointelle knit silk
  • Covered elastic waist
  • Rib cuffs with spandex
  • Qwik-Dri thermoregulation technology 
  • Antimicrobial fabric

List: $27.95 $8.00 (29%)

Starting at: $19.95
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Terramar Kashmir HG V-Neck 1.0 for Women

SKU: TRMKHV1W

  • HG Climasense heat generating technology
  • Soft, breathable, and fast-drying
  • Antimicrobial finish
  • Brushed surface
  • UPF rating 25+

Your Price: $16.95
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Sale

Regular: $27.95 $11.00 (39%)

Starting at: $16.95
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Top Rated Gear

Terramar Men's Helix Long-Sleeve Poly Crew Shirt

5.0 (2 reviews)
Ratings Distribution
  • 5 Stars
     
    (2)
  • 4 Stars
     
    (0)
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SKU: TRMMHC

  • Lightweight Temperature-Control Layer
  • Highly Breathable and Fast-Drying
  • Non-Sticky
  • 100% Micro Denier Polyester
  • Anti-microbial

Your Price: $12.95
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Terramar Men's Thermawool CS 4.0 Half-Zip

SKU: TRMMTW4H

  • Climasense fabric
  • Advanced odor control
  • Wicking, fast drying
  • Retains heat, breathable

Your Price: $35.95
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Terramar Men's Thermolator II Mock

SKU: TRMMT2M

  • Brushed polyester
  • 4 way stretch
  • Climasense fabric
  • Mesh ventilation panels

Your Price: $18.95
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Terramar Thermasilk Filament Silk Pant for Men

5.0 (1 review)
Ratings Distribution
  • 5 Stars
     
    (1)
  • 4 Stars
     
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SKU: TRMMSP

  • ec2 Qwik-Dri Thermoregulation Comfort Technology
  • 100% Silk
  • Non-bulky
  • Anti-Microbial
  • Luxurious, Soft and Comfortable

Your Price: $27.95
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Terramar Women's Thermawool CS 4.0 Crew

SKU: TRMWTW4C

  • Climasense fabric
  • Advanced odor control
  • Wicking, fast drying
  • Retains heat, breathable

Your Price: $26.95
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Terramar Women's Thermawool 100% Merino Wool Pants

3.0 (3 reviews)
Ratings Distribution
  • 5 Stars
     
    (0)
  • 4 Stars
     
    (2)
  • 3 Stars
     
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SKU: TRMWTWP

  • 100% Mercerized Super Soft Merino Wool Jersey
  • Machine-Washable
  • Itch-free
  • Breathable
  • Flatlock Seam Construction

Your Price: $35.95
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Terramar Cloud Nine CS Scoop 2.0 Shirt for Women

SKU: TRMCNS2W

  • Stretch jersey
  • Moisture wicking
  • Fast drying
  • Breathable

Your Price: $17.95
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Terramar Trailhead TR Half-Zip 1.0 Crew for Men - Black

SKU: TRMT1ZM

  • Color: black
  • Material: 100% micro polyester
  • Two-sided knit construction
  • Antimicrobial feature
  • Flat-seam construction

Your Price: $15.95
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Your Price: $42.95
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Terramar Men's Helix Short-Sleeve Polyester Crew T-Shirt

5.0 (1 review)
Ratings Distribution
  • 5 Stars
     
    (1)
  • 4 Stars
     
    (0)
  • 3 Stars
     
    (0)
  • 2 Stars
     
    (0)
  • 1 Stars
     
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SKU: TRMMHS

  • ec2 Qwik-Dri Thermoregulation Comfort Technology
  • Anti-Microbial Fabric
  • Air pockets for Improved Insulation
  • Soft, Breathable and Fast-Drying
  • UPF Rating 25+

Regular: $11.95 $3.00 (25%)

Starting at: $8.95
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Terramar Men's Thermawool CS 4.0 Crew

SKU: TRMMTW4C

  • Climasense fabric
  • Advanced odor control
  • Wicking, fast drying
  • Retains heat, breathable

Your Price: $26.95
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