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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

Regular: $34.95 $5.00 (14%)

Starting at: $29.95
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Sale

Mammut Go Warm Baselayer 3/4 Pants for Women

SKU: MMTGW3PW

  • Contoured cut
  • 100% polyester microfiber
  • Antimicrobial feature
  • Merino wool and polyester blend

Regular: $49.00 $19.05 (39%)

Starting at: $29.95
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Sale

Mammut Go Warm Longsleeve Baselayer for Women

SKU: MMTGWLW

  • Contoured cut
  • Extended back
  • 100% Polyester microfiber
  • Merino wool and polyester mix
  • Antimicrobial feature

Regular: $75.00 $40.05 (53%)

Starting at: $34.95
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In Stock + Wish list

Sale

Regular: $38.95 $4.00 (10%)

Starting at: $34.95
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Sale

Mammut Go Warm Baselayer Pants for Women

3.0
(1 review)
Ratings Distribution
  • 5 Stars
     
    (0)
  • 4 Stars
     
    (0)
  • 3 Stars
     
    (1)
  • 2 Stars
     
    (0)
  • 1 Stars
     
    (0)

SKU: MMTGWPW

  • Contoured cut
  • Merino wool and polyester microfiber
  • Antimicrobial feature
  • Body Mapping technology

Regular: $60.00 $30.05 (50%)

Starting at: $29.95
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In Stock + Wish list

Sale

Mammut Go Warm Longsleeve Shirt Baselayer for Men

SKU: MMTGWSM

  • Extended back
  • Contoured cut
  • Body Mapping technology
  • Polyester microfiber
  • Antimicrobial feature

Regular: $49.95 $5.00 (10%)

Starting at: $44.95
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Sale

Regular: $60.00 $25.05 (42%)

Your Price: $34.95
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In Stock + Wish list

Sale

Mammut Go Warm T-Shirt Baselayer for Women

SKU: MMTGWTW

  • Contoured cut
  • Extended back
  • 100% polyester microfiber
  • Merino wool and polyester mix
  • Antimicrobial feature

Regular: $60.00 $32.05 (53%)

Starting at: $27.95
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In Stock + Wish list

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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In Stock + Wish list

Sale

Mammut Go Warm Longsleeve Zip Baselayer for Women

SKU: MMTGWZW

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

Regular: $85.00 $40.05 (47%)

Starting at: $44.95
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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 $3.00 (19%)

Starting at: $12.99
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Sale

ColdPruf Basic 90 Pants for Men

SKU: CLDBPM

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

Regular: $11.99 $2.00 (17%)

Starting at: $9.99
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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 $4.00 (21%)

Starting at: $14.99
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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 $4.00 (19%)

Starting at: $16.99
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Sale

ColdPruf Platinum Bottom for Men

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

SKU: CLDPBM

  • CPT fiber technology
  • Two-layer engineering
  • Air-trap design
  • 100% CPT polyester inside
  • 70% polyester, 30% merino wool outside

Regular: $19.99 $5.00 (25%)

Starting at: $14.99
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Sale

ColdPruf Basic 50 Pants for Women

SKU: CLDBPW

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

Regular: $11.99 $4.00 (33%)

Starting at: $7.99
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Sale

Mammut Go Dry Longsleeve Zip Baselayer Womens

SKU: MMTGDZW

  • All season baselayer
  • Highly technical
  • Stretchy mobility
  • Quick-drying

Regular: $70.00 $27.05 (39%)

Your Price: $42.95
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List: $55.00 $20.05 (36%)

Your Price: $34.95
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Sale

ColdPruf Performance 58 Pants for Women

SKU: CLDPRPW

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

Regular: $18.99 $4.00 (21%)

Starting at: $14.99
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In Stock + Wish list