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.

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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Ibex Woolies 3 Bottoms for Men

SKU: IBX3BM

  • Breathable
  • Anti-odor
  • Gusseted crotch
  • Flatlock seams

Your Price: $110.00
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Terramar Women's Pointelle Silk Pant

SKU: TRMWSP

  • Material: 100% Filament Pointelle knit silk
  • Covered elastic waist
  • Rib cuffs with spandex
  • Qwik-Dri thermoregulation technology 
  • Antimicrobial fabric

Your Price: $35.95
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Ibex Woolies 3 Bottoms for Women

SKU: IBX3BW

  • Breathable
  • Anti-odor
  • Gusseted crotch
  • Flatlock seams

List: $110.00 $33.05 (30%)

Your Price: $76.95
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Icebreaker Oasis Lightweight Leggings for Women

SKU: ICBOLLW

  • Odor resistant
  • Breathable
  • Lightweight
  • Merino wool
  • Lightweight

List: $89.99 $22.00 (24%)

Starting at: $67.99
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ColdPruf Extreme Performance Pants for Women

SKU: CLDXPW

  • Two-layer engineering
  • Odor resistance
  • Moisture wicking
  • Comfort waistband

Your Price: $30.99
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ColdPruf Authentic Union Suit for Men

SKU: CLDAUM

  • Two-layer engineering
  • Vertical rear flap
  • Natural warmth barrier
  • ThermaChoice System

Your Price: $42.99
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Regular: $34.95 $5.00 (14%)

Starting at: $29.95
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Ibex Woolies 1 Bottoms for Men

SKU: IBX1BM

  • Breathable
  • Anti-odor
  • Wide waistband
  • Flatlock seams

Your Price: $80.00
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Polarmax Double Base Layer Pants for Women

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SKU: PMXDBLPW

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

Your Price: $26.95
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The North Face Light Boot Top Bottom for Men

SKU: NFCLBTBM2XBK

  • Elastic logo waist
  • Flat-locked seams
  • Fly opening
  • Three-quarter length
  • Moisture-wicking polyester knit fabric

Regular: $45.00 $25.05 (56%)

Your Price: $19.95

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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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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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Ibex Woolies 1 Bottoms for Women

SKU: IBX1BW

  • Breathable
  • Anti-odor
  • Wide waistband
  • Flatlock seams

Regular: $80.00 $30.05 (38%)

Your Price: $49.95
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ColdPruf Authentic Wool Plus 92 Pants for Men

SKU: CLDAWPM

  • Ring spun cotton, Merino wool, nylon
  • Combed, ring spun cotton
  • Inner layer body heat
  • Rib ankle cuffs

Regular: $22.99 $2.00 (9%)

Starting at: $20.99
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List: $65.99 $9.50 (14%)

Your Price: $56.49
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Minus33 Merino Wool Midweight Bottoms for Girls

SKU: MINMBG

  • 100 percent merino wool
  • Moisture wicking
  • Odor repellent
  • UPF 50

List: $45.99 $6.50 (14%)

Your Price: $39.49
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The North Face Light Tight for Men - Previous Season

SKU: NFCLTM

  • Fly opening
  • Elastic logo waist
  • Flat-locked seams
  • FlashDry thermal technology
  • Material: polyester, polyolefin

Regular: $45.00 $18.05 (40%)

Your Price: $26.95
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Icebreaker Lightweight Oasis Leggings for Men

SKU: ICBLOLM

  • Odor resistant
  • Breathable
  • Lightweight
  • Merino wool
  • Lightweight

Your Price: $89.99
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Marmot ThermalClime Pro Boot Tight for Men

SKU: MRMTPBTM

  • Flat locked seams
  • Gusseted crotch
  • Recycled polyester
  • Polartec technology

Your Price: $42.00
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