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

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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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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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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List: $39.99 $12.04 (30%)

Your Price: $27.95
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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

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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Sale

Mountain Hardwear Super Power Arm Warmer for Men - Black

SKU: MHWSPAWN

  • Body: Super Power Brushed jersey
  • Stretch fabric
  • Tonal reflective print
  • Wicking, fast drying
  • Flat-lock seam construction

Regular: $30.00 $16.05 (54%)

Your Price: $13.95
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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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SmartWool NTS Microweight 150 Pattern Crew Top for Men

SKU: SMTMWPCM

  • Jersey Knit Construction
  • Flatlock Seam Design
  • Form Fit
  • Stripe Tape Binding

List: $80.00 $20.05 (25%)

Your Price: $59.95
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List: $65.99 $9.50 (14%)

Your Price: $56.49
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Sale

ColdPruf Expedition 85 Pants for Men

SKU: CLDEXPM

  • 100 percent polyester fleece
  • Moisture management
  • Single-layer engineering
  • Tagless

Regular: $15.99 $2.00 (13%)

Starting at: $13.99
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Sale

Outdoor Research Frescoe Henley for Women

SKU: ORSFRHW

  • Dri-release E.C.O. fabric
  • Lightweight and Button front
  • Built-in FreshGuard odor neutralization
  • Button front

Regular: $48.00 $28.05 (58%)

Your Price: $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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Adidas Ultimate 3/4 Tight for Women

SKU: ADSUT34T

  • Wide elastic waistband
  • Climalite fabric
  • Fitted fit
  • Adidas logo on hip

Your Price: $38.00
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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

SmartWool NTS Microweight 150 Pattern Crew Top for Women

SKU: SMTMWPCW

  • Soft, Non-Irritating Material
  • Shaped Bottom Hem
  • Lightweight
  • UPF Rating Of 30

Regular: $69.99 $25.00 (36%)

Your Price: $44.99
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Marmot Catalyst 3/4 Rev. Tight for Women

SKU: MRMC3RTW

  • Midweight, breathable
  • UPF 50
  • Quick drying and wicking
  • Reversible

Your Price: $65.00
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