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

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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Marmot Catalyst 3/4 Rev. Tight for Women

SKU: MRMC3RTW

  • Midweight, breathable
  • UPF 50
  • Quick drying and wicking
  • Reversible

Your Price: $65.00
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List: $39.99 $12.04 (30%)

Your Price: $27.95
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List: $95.00 $23.00 (24%)

Your Price: $72.00
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Icebreaker Everyday Leggings for Women

SKU: ICBEVLW

  • Gusset
  • Flat-lock stitching
  • Icebreaker branded waistband
  • Icebreaker pip label
  • Material: Merino wool

Your Price: $59.99
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Sale

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: $34.95 $15.00 (43%)

Starting at: $19.95
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Polarmax Double Base Layer Pants for Men

SKU: PMXDBLPM

  • Stretches
  • Wicks
  • Quick drying
  • Breathes
  • Scent prevent antimicrobial

Your Price: $20.95
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List: $49.99 $15.04 (30%)

Your Price: $34.95
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Polarmax Powerskins by XGO Short for Men

SKU: PMXPSSM

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

Your Price: $21.95
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Sale

Terramar Women's Thermawool 100% Merino Wool Pants

3.0
(3 reviews)
Ratings Distribution
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  • 4 Stars
     
    (2)
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  • 1 Stars
     
    (1)

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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