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.

Top Rated Gear

Terramar Thermasilk Filament Silk Pant for Men

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

SKU: TRMMSP

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

List: $38.95 $3.00 (8%)

Starting at: $35.95
Select Options

In Stock + Wish list

Top Rated Gear

Terramar Men's Thermolator II Pants

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

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.)

Your Price: $24.95
Select Options

In Stock + Wish list

ColdPruf Extreme Performance Pants for Women

SKU: CLDXPW

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

Your Price: $30.99
Select Options

In Stock + Wish list

Ibex Woolies 3 Bottoms for Men

SKU: IBX3BM

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

Your Price: $110.00
Select Options

In Stock + Wish list

Icebreaker Midweight Apex Leggings for Men

SKU: ICBMALM

  • Odor resistant
  • Breathable
  • Gusseted for comfort
  • Merino wool
  • Midweight

List: $109.99 $10.04 (9%)

Starting at: $99.95
Select Options

In Stock + Wish list

Ibex Woolies 2 Bottoms for Men

SKU: IBX2BM

  • Breathable, anti-odor
  • Moisture managing
  • Wide waistband
  • Flatlock seams

List: $95.00 $28.05 (30%)

Your Price: $66.95
Select Options

In Stock + Wish list

Sale

The North Face Light Tight for Women

SKU: NFCLTW

  • Elastic logo waist
  • Flat locked seams
  • Ankle length
  • Moisture wicking

Regular: $45.00 $18.05 (40%)

Your Price: $26.95
Select Options

In Stock + Wish list

Minus33 Magalloway Women's Lightweight Bottoms

SKU: MINLBW

  • 100% 17.5-micron Merino wool
  • 170 g/m2 jersey-knit construction
  • Flat-lock seams
  • Weight (size L): 6.1 oz. 
  • Machine-wash compatibility

List: $59.99 $9.00 (15%)

Your Price: $50.99
Select Options

In Stock + Wish list

Minus33 Katmai Men's Expedition Weight Bottoms

SKU: MINEBM

  • Merino wool
  • Interlock construction
  • Flat lock seams
  • Machine washable

List: $95.99 $14.00 (15%)

Your Price: $81.99
Select Options

In Stock + Wish list

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
Select Options

In Stock + Wish list

Sale

ColdPruf Basic 50 Pants for Women

SKU: CLDBPW

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

Regular: $11.99 $2.00 (17%)

Starting at: $9.99
Select Options

In Stock + Wish list

Sale

Under Armour UA Essential Solid Compression Shorts Men

SKU: UNAESCSM

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

Regular: $39.99 $15.04 (38%)

Your Price: $24.95
Select Options

In Stock + Wish list

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
Select Options

In Stock + Wish list

SmartWool Midweight 250 Bottom for Kids

SKU: SMTKB

  • Form fitting
  • Interlock knit
  • Elastic waistband
  • Flatlock seam construction

Your Price: $54.95
Select Options

In Stock + Wish list

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
Select Options

In Stock + Wish list

Ibex Woolies 2 Bottoms for Women

SKU: IBX2BW

  • Breathable, anti-odor
  • Moisture managing
  • Wide waistband
  • Flatlock seams

Your Price: $95.00
Select Options

In Stock + Wish list

Sale

Adidas Ultimate 3/4 Tight for Women

SKU: ADSUT34T

  • Wide elastic waistband
  • Climalite fabric
  • Fitted fit
  • Adidas logo on hip

Regular: $38.00 $13.05 (34%)

Starting at: $24.95
Select Options

In Stock + Wish list