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

Adidas Techfit 3/4 3-Stripe Tight for Women

SKU: ADS34T3S

  • Compression fit
  • Moisture wicking
  • Flat seams

Regular: $40.00 $15.05 (38%)

Starting at: $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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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

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

Adidas Terrex Icesky 1/2 Zip Long Sleeve for Women

SKU: ADSTIZLW

  • Climawarm Technology
  • FORMOTION Technology
  • 1/2-Zip 
  • Fitted Collar

Regular: $65.00 $33.05 (51%)

Your Price: $31.95
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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 $2.00 (11%)

Starting at: $16.99
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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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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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Top Rated Gear

List: $25.95 $5.96 (23%)

Your Price: $19.99
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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 $2.00 (10%)

Starting at: $18.99
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ColdPruf Basic 60S Top and Bottom Base Layer Set for Kids

SKU: CLDBK

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

Your Price: $22.99
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Sale

ColdPruf Classic 170 Silk Weight Merino Wool Pants for Women

SKU: CLDCPW

  • Single layer jersey knit
  • Silk weight
  • Merino wool
  • Tagless, flat seams

Regular: $45.99 $5.00 (11%)

Starting at: $40.99
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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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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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ColdPruf Platinum Crew for Women

SKU: CLDPCW

  • Polyester
  • Flat Seams
  • Ring Spun Yarns
  • Thermachoice System

Your Price: $19.99
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Top Rated Gear

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

List: $25.95 $5.96 (23%)

Your Price: $19.99
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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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Sale

ColdPruf Classic 170 Silk Weight Merino Wool Crew for Women

SKU: CLDCCW

  • Single layer jersey knit
  • Silk weight
  • Merino wool
  • Tagless, flat seams

Regular: $45.99 $5.00 (11%)

Starting at: $40.99
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Sale

ColdPruf Enthusiast 97 Pants for Men

SKU: CLDEPM

  • 100 percent polypropylene
  • Single layer engineering
  • Lightweight, comfortable fit
  • Flat seams

Regular: $13.99 $1.00 (7%)

Starting at: $12.99
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Sale

ColdPruf Authentic 93 Pants for Men

SKU: CLDAPM

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

Regular: $20.99 $2.00 (10%)

Starting at: $18.99
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In Stock + Wish list