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

The North Face Warm Longsleeve Zip Neck for Men - Previous Season

SKU: NFCWLZNMXLBK

  • Hollow core and airbrushed fibers
  • Lightweight
  • Quick drying
  • Stain and odor resistant
  • Flat-locked seams

Regular: $60.00 $30.05 (50%)

Your Price: $29.95

In Stock + Wish list

Sale

The North Face Warm Longsleeve Zip Neck for Women

SKU: NFCWLZW

  • Next-to-skin fit
  • Mock neck
  • Half-zip front
  • Flat-locked seams
  • Logo tag

Regular: $60.00 $30.05 (50%)

Your Price: $29.95
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Sale

The North Face Warm Tight for Men

SKU: NFCWTMN

  • Moisture wicking
  • Next to skin fit
  • Fly opening
  • Ankle length
  • Hollow core fibers

Regular: $50.00 $25.05 (50%)

Your Price: $24.95
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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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Sale

The North Face Warm Tight for Women

SKU: NFCWTWN

  • Elastic logo waist
  • Flat locked seams
  • Ankle length
  • Hollow core fibers
  • Lightweight, wicking

Regular: $50.00 $25.05 (50%)

Your Price: $24.95
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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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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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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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In Stock + Wish list

List: $105.00 $25.01 (24%)

Your Price: $79.99
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Polar Max Performance Tech Silk Crew for Men

SKU: PMXPSCM

  • Lightweight mesh
  • Anti microbial
  • Wicks moisture
  • Stretchable, flexible

Your Price: $21.95
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In Stock + Wish list

List: $105.00 $25.01 (24%)

Your Price: $79.99
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Sale

Regular: $42.95 $8.00 (19%)

Your Price: $34.95
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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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In Stock + Wish list

Polar Max Tech Silk Weight Pants for Men

SKU: PMXTSWPM

  • Scent prevent anti-microbial
  • 100% Acclimate dry performance fabric
  • All-season wear
  • Light weight technical silk knit
  • Single layer-flat seam construction

Your Price: $18.95
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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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Sale

Columbia Midweight II Tight for Men

SKU: COLM2TM

  • Thermal reflective
  • Moisture wicking
  • Active fit
  • Antimicrobial

Regular: $45.00 $21.05 (47%)

Your Price: $23.95
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Sale

Adidas Ultimate Tight for Women

SKU: ADSUTW

  • Wide elastic waistband
  • Climalite fabric
  • Fitted fit
  • Flatlock seams

Regular: $43.00 $18.05 (42%)

Starting at: $24.95
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Sale

Ibex Woolies 220 Zip T for Women

SKU: IBXW2ZTW

  • Rib knit merino
  • Form fit
  • Flatlock seams
  • Set in sleeves

Regular: $105.00 $55.05 (52%)

Your Price: $49.95
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In Stock + Wish list