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.

Ibex Woolies 1 Zip T-Neck for Men

SKU: IBX1ZM

  • Breathable
  • Anti-odor
  • Set-in sleeves
  • Zippered neck

Your Price: $85.00
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Terramar Ecolator CS Fleece Scoop 3.0 for Women

SKU: TRMECS3W

  • Comfort in all seasons
  • Antimicrobial
  • Heavyweight
  • Breathable

Your Price: $31.95
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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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Marmot ThermalClime Pro LS 1/2-Zip for Men

SKU: MRMTP2ZM

  • Quick drying
  • Moisture wicking
  • Stretch elastane
  • Flat lock seams

Your Price: $60.00
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List: $54.99 $17.04 (31%)

Your Price: $37.95
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Sale

ColdPruf Authentic 93 Crew for Men

SKU: CLDACM

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

Regular: $20.99 $2.00 (10%)

Starting at: $18.99
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Sale

Regular: $38.95 $4.00 (10%)

Starting at: $34.95
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Ibex Woolies 2 Bottoms for Men

SKU: IBX2BM

  • Breathable, anti-odor
  • Moisture managing
  • Wide waistband
  • Flatlock seams

List: $95.00 $28.05 (30%)

Your Price: $66.95
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Sale

Mammut Go Warm Longsleeve Zip Baselayer for Men

SKU: MMTGWZM

  • Contoured cut
  • Extended back
  • Zip with zip-store
  • 100% polyester microfiber
  • Merino wool and polyester mix

Regular: $54.95 $10.00 (18%)

Starting at: $44.95
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Ibex Woolies 1 Crew for Women

SKU: IBXW1W

  • Breathable
  • Anti-odor
  • Raglan sleeves
  • Flatlock seams

Regular: $80.00 $30.05 (38%)

Your Price: $49.95
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Top Rated Gear

Polarmax Core-4 Tech Fleece Crew for Men

5.0
(1 review)
Ratings Distribution
  • 5 Stars
     
    (1)
  • 4 Stars
     
    (0)
  • 3 Stars
     
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    (0)
  • 1 Stars
     
    (0)

SKU: PMXC4TCM

  • 4-way power stretch fabric
  • Brushed fleece interior
  • Acclimate dry moisture wicking
  • Athletic fit

Your Price: $43.95
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Terramar Ecolator CS Fleece Tight 3.0 for Women

SKU: TRMECT3W

  • Textured fleece
  • Moisture wicking
  • Fast drying
  • Breathable

Your Price: $31.95
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SmartWool NTS Midweight 250 Pattern Bottom for Men

SKU: SMTPNM

  • Heaviest baselayer fabric
  • Covered elastic waistband
  • Traditional fly design
  • Flatlock seams

Your Price: $99.99
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Top Rated Gear

Your Price: $11.99
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Ibex Woolies 2 Crew Stripe for Men

SKU: IBXCSM

  • Breathable
  • Anti-odor
  • Set-in sleeves
  • Flatlock seams

List: $110.00 $33.05 (30%)

Your Price: $76.95
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Sale

Polarmax Maxride Pants for Women

2.0
(1 review)
Ratings Distribution
  • 5 Stars
     
    (0)
  • 4 Stars
     
    (0)
  • 3 Stars
     
    (0)
  • 2 Stars
     
    (1)
  • 1 Stars
     
    (0)

SKU: PMXMRPW

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

Regular: $17.95 $3.00 (17%)

Starting at: $14.95
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Polarmax Powerskins by XGO Tight for Men

SKU: PMXPSTM

  • Anti microbial
  • Won't shrink, pick, fade
  • Durable, breathable
  • Four way stretch

Your Price: $35.95
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Terramar Women's Thermawool CS 4.0 Half-Zip

SKU: TRMWTW4H

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

Your Price: $41.95
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