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

Terramar Men's Thermolator II Pants

5.0
(1 review)
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SKU: TRMMT2P

  • 86% Micro-Polyester and 14% Spandex
  • ec2 Qwik-Dri Thermoregulation Comfort Technology
  • Two Fabric Jersey and Mesh Construction
  • Anti-microbial
  • Fabric Weight: 180 grams (5.36 oz.)

Regular: $17.95 $3.00 (17%)

Starting at: $14.95
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ColdPruf Platinum Bottom for Men

5.0
(1 review)
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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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Top Rated Gear

Terramar Thermasilk Filament Silk Pant for Men

5.0
(1 review)
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SKU: TRMMSP

  • ec2 Qwik-Dri Thermoregulation Comfort Technology
  • 100% Silk
  • Non-bulky
  • Anti-Microbial
  • Luxurious, Soft and Comfortable

Your Price: $27.95
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Polarmax Double Base Layer Pants for Women

4.0
(1 review)
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SKU: PMXDBLPW

  • Quick drying
  • Scent prevent anti-microbial
  • Comfortable flat seams
  • Relaxed fit
  • Feels like cotton

Your Price: $20.95
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List: $65.99 $9.50 (14%)

Your Price: $56.49
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Sale

Terramar Women's Thermawool 100% Merino Wool Pants

3.0
(3 reviews)
Ratings Distribution
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SKU: TRMWTWP

  • 100% Mercerized Super Soft Merino Wool Jersey
  • Machine-Washable
  • Itch-free
  • Breathable
  • Flatlock Seam Construction

Regular: $35.95 $7.00 (19%)

Your Price: $28.95
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Sale

Mammut Go Warm Baselayer Pants for Women

3.0
(1 review)
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SKU: MMTGWPW

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

Regular: $54.00 $24.05 (45%)

Your Price: $29.95
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Sale

Polarmax Maxride Pants for Women

2.0
(1 review)
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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 Maxride Pants for Men

1.0
(1 review)
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SKU: PMXMRPM

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

Your Price: $17.95
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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

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

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

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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List: $90.00 $22.01 (24%)

Your Price: $67.99
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Sale

Under Armour UA Essential Solid Compression Shorts Men

SKU: UNAESCSM

  • Hydro armour technology
  • ISO chill cooling technology
  • Quick dry waistband
  • Armour block

Regular: $27.98 $3.03 (11%)

Your Price: $24.95
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Terramar Women's Thermawool CS 4.0 Pants

SKU: TRMWTW4P

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

Your Price: $26.95
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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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