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

    ColdPruf Premium Performance 89 Crew for Men

    SKU: CLDPPCM

    • Single layer engineering
    • Polyester, spandex
    • Max dryness, antimicrobial
    • Trim fit

    Regular: $20.99 $3.00 (14%)

    Starting at: $17.99
    Select Options

    In Stock + Wish list

    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
    Select Options

    In Stock + Wish list

    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
    Select Options

    In Stock + Wish list

    Sale

    ColdPruf Premium Performance 49 Pants for Women

    SKU: CLDPPPW

    • Single layer engineering
    • Polyester, spandex
    • Max dryness, antimicrobial
    • Trim fit

    Regular: $20.99 $6.00 (29%)

    Starting at: $14.99
    Select Options

    In Stock + Wish list

    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
    Select Options

    In Stock + Wish list

    Sale

    Terramar Men's Helix Short-Sleeve Polyester Crew T-Shirt

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

    SKU: TRMMHS

    • ec2 Qwik-Dri Thermoregulation Comfort Technology
    • Anti-Microbial Fabric
    • Air pockets for Improved Insulation
    • Soft, Breathable and Fast-Drying
    • UPF Rating 25+

    Regular: $11.95 $3.00 (25%)

    Starting at: $8.95
    Select Options

    In Stock + Wish list

    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
    Select Options

    In Stock + Wish list

    Sale

    The North Face Warm Boot Top Bottom for Men

    SKU: NFCWBTBM2XBK

    • Elastic logo waist
    • Fly opening
    • Flat-locked seams
    • Three-quarter length
    • Midweight base layer pants 

    Regular: $50.00 $25.05 (50%)

    Your Price: $24.95

    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

    Under Armour Base 2.0 Crew for Men

    SKU: UNAB2CM

    • Mid-weight protection
    • Soft, brushed interior
    • 4-way stretch fabrication
    • Moisture transport system

    List: $54.99 $16.04 (29%)

    Starting at: $38.95
    Select Options

    In Stock + Wish list

    Terramar Thermasilk Filament Jersey Silk Crew Shirt for Men

    SKU: TRMMSC

    • 100% Supersoft Pure Filament Jersey Silk
    • ec2 Qwik-Dri Thermoregulation Comfort Technology
    • Lightweight
    • Durable
    • Fabric Weight: 75 grams (2.6 oz.)

    Your Price: $27.95
    Select Options

    In Stock + Wish list

    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
    Select Options

    In Stock + Wish list

    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
    Select Options

    In Stock + Wish list

    SmartWool NTS Microweight 150 Crew Top for Men

    SKU: SMTMCMN

    • Merino Wool
    • Stripe Tape Binding
    • Flatlock Seam Construction
    • Jersey Knit

    List: $75.00 $19.05 (25%)

    Your Price: $55.95
    Select Options

    In Stock + Wish list

    Top Rated Gear

    List: $75.99 $11.00 (14%)

    Your Price: $64.99
    Select Options

    In Stock + Wish list

    Sale

    ColdPruf Expedition 85 Crew for Men

    SKU: CLDEXCM

    • 100 percent polyester fleece
    • Moisture management
    • Single-layer engineering
    • Tagless

    Regular: $15.99 $2.00 (13%)

    Starting at: $13.99
    Select Options

    In Stock + Wish list

    List: $54.99 $16.04 (29%)

    Your Price: $38.95
    Select Options

    In Stock + Wish list

    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

    Your Price: $27.95
    Select Options

    In Stock + Wish list

    Adidas Ultimate 3/4 Tight for Women

    SKU: ADSUT34T

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

    Your Price: $38.00
    Select Options

    In Stock + Wish list