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 Men's Helix Poly Half-Zip Shirt

SKU: TRMMHTLRBK

  • Lightweight Temperature-Control Layer
  • Highly Breathable and Fast-Drying
  • Will Not Cling to Your Skin
  • 100% Micro Denier Polyester
  • Anti-microbial

Your Price: $14.95

Out of Stock + Wish list

Terramar Ecolator CS Fleece Tight 3.0 for Women

SKU: TRMECT3W

  • Textured fleece
  • Moisture wicking
  • Fast drying
  • Breathable

Your Price: $25.95
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Out of Stock + Wish list

Sale

Regular: $30.00 $13.05 (44%)

Your Price: $16.95
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Out of Stock + Wish list

Polarmax Comp-4 Tech Fleece Tights for Men

SKU: PMXC4TTM

  • 4-way power stretch fabric
  • Tech face
  • Brushed fleece interior
  • No shrink
  • Athletic Fit

Your Price: $38.95
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Out of Stock + Wish list

Ibex Woolies 150 Scoop for Women

SKU: IBXW1SW

  • Lightweight rib knit
  • Flatlock seams
  • Set in sleeves

Your Price: $85.00
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Out of Stock + Wish list

Polarmax Comp-4 Tech Fleece Tights for Women

SKU: PMXC4TTW

  • 4-way power stretch fabric
  • Tech face
  • Brushed fleece interior
  • Anti-microbial / anti-odor protection
  • Flat seam construction

Your Price: $38.95
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Out of Stock + Wish list

Terramar Kashmir HG Pant 1.0 for Women

SKU: TRMKHP1W

  • HG Climasense heat generating technology
  • Soft, breathable, and fast drying
  • Antimicrobial finish
  • Odor control
  • UPF rating 25+

Your Price: $16.95
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Out of Stock + Wish list

Sale

ColdPruf Premium Performance 89 Crew for Men

SKU: CLDPPCM

  • Single layer engineering
  • Polyester, spandex
  • Max dryness, antimicrobial
  • Trim fit

Regular: $20.99 $3.00 (14%)

Starting at: $17.99
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In Stock + Wish list

Sale

ColdPruf Premium Performance 49 Crew for Women

SKU: CLDPPCW

  • Single layer engineering
  • Polyester, spandex
  • Max dryness, antimicrobial
  • Trim fit

Regular: $20.99 $6.00 (29%)

Starting at: $14.99
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In Stock + Wish list

Sale

ColdPruf Premium Performance 89 Pants for Men

SKU: CLDPPPM

  • Single layer engineering
  • Polyester, spandex
  • Max dryness, antimicrobial
  • Trim fit

Regular: $20.99 $2.00 (10%)

Starting at: $18.99
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In Stock + Wish list

Sale

ColdPruf Premium Performance 49 Pants for Women

SKU: CLDPPPW

  • Single layer engineering
  • Polyester, spandex
  • Max dryness, antimicrobial
  • Trim fit

Regular: $20.99 $6.00 (29%)

Starting at: $14.99
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In Stock + Wish list

Sale

ColdPruf Performance 98 Crew for Men

SKU: CLDPRCM

  • Single layer engineering
  • Max dryness, antimicrobial
  • Moisture management
  • Polyester, spandex

Regular: $18.99 $2.00 (11%)

Your Price: $16.99
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In Stock + Wish list

Sale

Terramar Men's Helix Short-Sleeve Polyester Crew T-Shirt

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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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In Stock + Wish list

Sale

ColdPruf Performance 58 Crew for Women

SKU: CLDPRCW

  • Single layer engineering
  • Max dryness, antimicrobial
  • Moisture management
  • Polyester, spandex

Regular: $18.99 $2.00 (11%)

Starting at: $16.99
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Sale

The North Face Warm Boot Top Bottom for Men

SKU: NFCWBTBM2XBK

  • Elastic logo waist
  • Fly opening
  • Flat-locked seams
  • Three-quarter length
  • Midweight base layer pants 

Regular: $50.00 $25.05 (50%)

Your Price: $24.95

In Stock + Wish list

Sale

ColdPruf Performance 98 Pants for Men

SKU: CLDPRPM

  • Single layer engineering
  • Max dryness, antimicrobial
  • Moisture management
  • Polyester, spandex

Regular: $18.99 $2.00 (11%)

Starting at: $16.99
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In Stock + Wish list

Under Armour Base 2.0 Crew for Men

SKU: UNAB2CM

  • Mid-weight protection
  • Soft, brushed interior
  • 4-way stretch fabrication
  • Moisture transport system

List: $54.99 $16.04 (29%)

Starting at: $38.95
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Terramar Thermasilk Filament Jersey Silk Crew Shirt for Men

SKU: TRMMSC

  • 100% Supersoft Pure Filament Jersey Silk
  • ec2 Qwik-Dri Thermoregulation Comfort Technology
  • Lightweight
  • Durable
  • Fabric Weight: 75 grams (2.6 oz.)

Your Price: $27.95
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In Stock + Wish list

Sale

ColdPruf Performance 58 Pants for Women

SKU: CLDPRPW

  • Single layer engineering
  • Max dryness, antimicrobial
  • Moisture management
  • Polyester, spandex

Regular: $18.99 $2.00 (11%)

Starting at: $16.99
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In Stock + Wish list

Sale

Adidas Techfit Capri Tight for Women

SKU: ADSTCTW

  • Moisture wicking
  • Advanced Techfit fabric
  • Anti chafe waistband
  • Side panels

Regular: $40.00 $17.05 (43%)

Your Price: $22.95
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