Skip to main content
Hi !Hi! Sign in or registerDaily DealsBrand OutletGift CardsHelp & Contact
Sell
Watchlist
My eBay
  • Summary
  • Recently Viewed
  • Bids/Offers
  • Watchlist
  • Purchase History
  • Buy Again
  • Selling
  • Saved Feed
  • Saved Searches
  • Saved Sellers
  • My Garage
  • Sizes
  • My Collection
  • Messages
  • PSA Vault
Please sign-in to view notifications.
Loading...
eBay Home
Advanced
Sponsored
Sponsored
Sponsored

Filter

    • Category

      • Boys' Clothing (Sizes 4 & Up)
        • Selected categoryUnderwear
      • Style

        • Long Johns (52) Items (52)
          Filter Applied
        • Brief (1,056) Items (1,056)
        • Boxer Brief (733) Items (733)
        • Tank (150) Items (150)
        • Boxer Shorts (88) Items (88)
      • Size

        10-12XSSMLXL44-56Filter Applied6-781012Filter Applied141618
      • Brand

        • Hanes (1) Items (1)
        • Unbranded (6) Items (6)
        • Joe Boxer (4) Items (4)
        • Cuddl Duds (5) Items (5)
        • Engel (4) Items (4)
        • Gear (3) Items (3)
        • Beverly Hills Polo Club (2) Items (2)
        • Indera (2) Items (2)
      • Color

        • Beige
        • Black
        • Blue
        • Brown
        • Gray
        • Green
        • Multicolor
        • Purple
        • Red
        • White
      • Department

        • Boys (38) Items (38)
        • Unisex Kids (14) Items (14)
      • Material

        • Cotton (22) Items (22)
        • Polyester (20) Items (20)
        • 100% Cotton (11) Items (11)
        • Cotton Blend (9) Items (9)
        • Spandex (9) Items (9)
        • Silk (4) Items (4)
        • Wool (4) Items (4)
        • Polyester Blend (2) Items (2)
      • Character

        • Boy (39) Items (39)
        • Hero (2) Items (2)
        • Yoda (1) Items (1)
        • Not Specified (10) Items (10)
      • Features

        • All Seasons (8) Items (8)
        • Breathable (6) Items (6)
        • Lightweight (6) Items (6)
        • Moisture Wicking (5) Items (5)
        • Stretch (4) Items (4)
        • Tagless (1) Items (1)
        • Not Specified (36) Items (36)
      • Pattern

        • Solid (14) Items (14)
        • Patchwork (4) Items (4)
        • Camouflage (3) Items (3)
        • Striped (2) Items (2)
        • Colorblock (1) Items (1)
        • Not Specified (28) Items (28)
    • Price

      • Under $15.00
      • $15.00 to $35.00
      • Over $35.00
      $
      to
      $
      Please provide a valid price range
      Available inventory
      $0
      $1000+
    • Condition

      • New with tags (41) Items (41)
      • New without tags (10) Items (10)
      • New with defects (1) Items (1)
    • Buying Format

    • Item Location

      • Within25 mi
    • Shipping and pickup

      • Arrives in 2-4 days
      • Free Shipping
      • Local Pickup within25 miles
    • Show only

      • Free Returns
      • Returns Accepted
      • Authorized Seller
      • Completed Items
      • Sold Items
      • Deals & Savings
      • Authenticity Guarantee

34 results

  • All
  • Auction
  • Buy It Now
  • All Listings- Filter Applied
  • Auction
  • Buy It Now
  • Any Condition- Filter Applied
  • New with tags
  • New without tags
  • New with defects
  • Arrives in 2-4 days
  • Free Shipping
  • Best Match
  • Time: ending soonest
  • Time: newly listed
  • Price + Shipping: lowest first
  • Price + Shipping: highest first
  • Distance: nearest first
  • List View
  • Shop on eBay
    Shop on eBay
    Opens in a new window or tab
    Brand New
    $20.00
    or Best Offer
    Sponsored
  • Shop on eBay
    Shop on eBay
    Opens in a new window or tab
    Brand New
    $20.00
    or Best Offer
    Sponsored
    • Long JohnsRemove filter
    • Size: 12Remove filter
    • Size: 6Remove filter
    • Clear AllFilters
    • CLIMATE RIGHT,  BOYS' Space Jam A New Legacy Cuddl Duds Brand New!! Size 6/7
      CLIMATE RIGHT, BOYS' Space Jam A New Legacy Cuddl Duds Brand New!! Size 6/7
      Opens in a new window or tab
      Brand New
      $7.99
      Was: $9.9920% off
      or Best Offer
      +$6.55 delivery
      Sponsored
    • Arctic Hero Thermal Underwear  Set Boys Waffle Knit Top and Long John Set 12/14
      Arctic Hero Thermal Underwear Set Boys Waffle Knit Top and Long John Set 12/14
      Opens in a new window or tab
      Brand New
      $12.17
      Was: $14.3215% off
      or Best Offer
      +$5.99 delivery
      Free returns
      Extra 5% off with coupon
      Sponsored
      Top Rated Plus
    • Berkley Jensen Boys Thermal Set Underwear Top & Pants Medium 10/12
      Berkley Jensen Boys Thermal Set Underwear Top & Pants Medium 10/12
      Opens in a new window or tab
      New (Other)
      $9.99
      Buy It Now
      +$5.80 delivery
      Sponsored
    • Lands' End Boy's Long Johns Size 6 NEW
      Lands' End Boy's Long Johns Size 6 NEW
      Opens in a new window or tab
      New (Other)
      $10.46
      Was: $14.9530% off
      Buy It Now
      +$6.95 delivery
      from Canada
      Sponsored
    • ClimateRight Cuddl Duds Pokemon Boys Warm Underwear Set Size L 10/12
      ClimateRight Cuddl Duds Pokemon Boys Warm Underwear Set Size L 10/12
      Opens in a new window or tab
      Brand New
      $9.00
      Buy It Now
      Free delivery
      Free returns
      Sponsored
    • Bright red jumpsuit with button-up front. Long sleeves and high collar.
      Bright red jumpsuit with button-up front. Long sleeves and high collar.
      Opens in a new window or tab
      New (Other)
      $12.00
      Buy It Now
      +$7.99 delivery
      Sponsored
    • Boys' Performance Thermal Underwear Long Johns Base Layer Set, Edge Camo, 6/7
      Boys' Performance Thermal Underwear Long Johns Base Layer Set, Edge Camo, 6/7
      Opens in a new window or tab
      Brand New
      $26.33
      Buy It Now
      Free delivery
      Free returns
      Sponsored
    • Ralph Lauren Baby Blue and White Stripe One Piece size 9 months
      Ralph Lauren Baby Blue and White Stripe One Piece size 9 months
      Opens in a new window or tab
      Brand New
      $15.00
      Buy It Now
      +$6.00 delivery
      Sponsored
    • New:Climate Right/Minecraft Insulated  Longjohn Underwear Set Boys' Size S(6/7
      New:Climate Right/Minecraft Insulated  Longjohn Underwear Set Boys' Size S(6/7
      Opens in a new window or tab
      Brand New
      $16.00
      Buy It Now
      Free delivery
      Last one
      Sponsored
    • Lot of 2 Goat Milk Boys Organic Cotton Underwear Thermal Long Johns size 12
      Lot of 2 Goat Milk Boys Organic Cotton Underwear Thermal Long Johns size 12
      Opens in a new window or tab
      Brand New
      $24.99
      0 bids · Time left23h 6m
      or Best Offer
      +$4.84 delivery
      Sponsored
    • CUDDL DUDS Performance Base Layers 2-Piece Top/Pants large boys 12/14
      CUDDL DUDS Performance Base Layers 2-Piece Top/Pants large boys 12/14
      Opens in a new window or tab
      Brand New
      $19.99
      or Best Offer
      +$6.84 delivery
      Sponsored
    • Boys' Hanes Thermal Underwear/Long Johns Top Cotton/Poly Blend S: Youth M 10/12
      Boys' Hanes Thermal Underwear/Long Johns Top Cotton/Poly Blend S: Youth M 10/12
      Opens in a new window or tab
      Brand New
      $7.99
      Buy It Now
      +$6.30 delivery
      Save up to 15% when you buy more
      Sponsored
    • ENGEL Kids Thermal Underwear Base Layer Leggings, Merino Wool & Silk, 2-15 years
      ENGEL Kids Thermal Underwear Base Layer Leggings, Merino Wool & Silk, 2-15 years
      Opens in a new window or tab
      Brand New
      $47.99 to $71.99
      Buy It Now
      +$6.95 delivery in 2-4 days
      Save up to 7% when you buy more
      Sponsored
    • Boy's Thermal Underwear Sets Top & Long Johns Made in Turkey -100% Cotton
      Boy's Thermal Underwear Sets Top & Long Johns Made in Turkey -100% Cotton
      Opens in a new window or tab
      Brand New
      $35.60
      Was: $44.5020% off
      Buy It Now
      +$7.97 delivery
      from Jordan
      Sponsored
    • Boys Girls Thermal Underwear Set Kids Long Johns Set Winter Warm Tops and Bottom
      Boys Girls Thermal Underwear Set Kids Long Johns Set Winter Warm Tops and Bottom
      Opens in a new window or tab
      New (Other)
      $16.39 to $30.49
      Buy It Now
      +$3.99 delivery
      from China
      Sponsored
    • Thermal Underwear 2-PACK Arctic Hero Boys Waffle Knit Top & Long John Set 12/14
      Thermal Underwear 2-PACK Arctic Hero Boys Waffle Knit Top & Long John Set 12/14
      Opens in a new window or tab
      Brand New
      $29.95
      or Best Offer
      +$9.39 delivery
      Sponsored
    • Climate Right Cuddl Duds Star Wars Mandalorian Baby Yoda Boys Warm Underwear 6/7
      Climate Right Cuddl Duds Star Wars Mandalorian Baby Yoda Boys Warm Underwear 6/7
      Opens in a new window or tab
      Brand New
      $12.99
      or Best Offer
      +$5.99 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Boys-Girls Indera Mills Thermal Long Johns Underwear Set Black Med 10/12
      Boys-Girls Indera Mills Thermal Long Johns Underwear Set Black Med 10/12
      Opens in a new window or tab
      Brand New
      $16.00
      Buy It Now
      Free delivery
      Sponsored
    • DESPICABLE ME3 BOYS THERMAL UNDERWEAR SET SIZE 6 NEW
      DESPICABLE ME3 BOYS THERMAL UNDERWEAR SET SIZE 6 NEW
      Opens in a new window or tab
      Brand New
      $16.99
      or Best Offer
      +$6.50 delivery
      Sponsored
    • Only Boys Thermal Underwear Set–2 Piece Top Long Johns Red Size 16 runs Smaller
      Only Boys Thermal Underwear Set–2 Piece Top Long Johns Red Size 16 runs Smaller
      Opens in a new window or tab
      New (Other)
      $10.99
      Buy It Now
      +$5.80 delivery
      Sponsored
    • Marvel Boys Gray Avengers Hulk Superhero Thermal Underwear Long Johns Size 10/12
      Marvel Boys Gray Avengers Hulk Superhero Thermal Underwear Long Johns Size 10/12
      Opens in a new window or tab
      Brand New
      $24.97
      Buy It Now
      Free delivery
      Sponsored
    • 2 At-The-Buzzer Boys thermal underwear set Size 12 M waffle Red Black top pants
      2 At-The-Buzzer Boys thermal underwear set Size 12 M waffle Red Black top pants
      Opens in a new window or tab
      Brand New
      $17.99
      Buy It Now
      +$7.50 delivery
      Free returns
      Extra 10% off with coupon
      Sponsored
      Top Rated Plus
    • Joe Boxer Boys' White, Black, or Gray Thermal Underwear Shirt & Pant - Pick Size
      Joe Boxer Boys' White, Black, or Gray Thermal Underwear Shirt & Pant - Pick Size
      Opens in a new window or tab
      Brand New
      $14.98
      Buy It Now
      +$7.95 delivery
      Sponsored
    • ClimateRight by CuddlDuds Boys Spiderman Warm Underwear 2-Piece Set Size L 10/12
      ClimateRight by CuddlDuds Boys Spiderman Warm Underwear 2-Piece Set Size L 10/12
      Opens in a new window or tab
      Brand New
      $14.00
      or Best Offer
      +$9.75 delivery
      Sponsored
    • Joe Boxer Boy's Camo Thermal Underwear Long Sleeve Top & Ankle Length Pants Sz 6
      Joe Boxer Boy's Camo Thermal Underwear Long Sleeve Top & Ankle Length Pants Sz 6
      Opens in a new window or tab
      Brand New
      $10.98
      Buy It Now
      +$7.95 delivery
      Sponsored
    • Boys Duck Dynasty Baselayer Camo Set Thermal Underwear Long Johns Size 6
      Boys Duck Dynasty Baselayer Camo Set Thermal Underwear Long Johns Size 6
      Opens in a new window or tab
      Brand New
      $24.99
      Buy It Now
      +$6.00 delivery
      Sponsored
    • NEW Indera Mills Thermal Long Johns Underwear Set BOYS Small (6 - 8) Off White
      NEW Indera Mills Thermal Long Johns Underwear Set BOYS Small (6 - 8) Off White
      Opens in a new window or tab
      Brand New
      $18.49
      Buy It Now
      +$4.33 delivery
      Sponsored
    • Beverly Hills Polo Club Boys Navy 2-Piece Thermal Underwear Set, Sz. 16/18 ~ New
      Beverly Hills Polo Club Boys Navy 2-Piece Thermal Underwear Set, Sz. 16/18 ~ New
      Opens in a new window or tab
      Brand New
      $14.99
      or Best Offer
      +$5.80 delivery
      Sponsored
    • Kids Girls Boys Loungewear #100-180 Nightwear Mock Neck Underwear Set Winter
      Kids Girls Boys Loungewear #100-180 Nightwear Mock Neck Underwear Set Winter
      Opens in a new window or tab
      New (Other)
      $14.99 to $29.29
      Buy It Now
      +$3.99 delivery
      from China
      Sponsored
    • Cutie Pie white one piece sleeper size 6-9 months.
      Cutie Pie white one piece sleeper size 6-9 months.
      Opens in a new window or tab
      New (Other)
      $12.00
      Buy It Now
      +$6.00 delivery
      Sponsored
    • Beverly Hills Polo Club Boys 2-Piece Performance Thermal, Gray/Size 12
      Beverly Hills Polo Club Boys 2-Piece Performance Thermal, Gray/Size 12
      Opens in a new window or tab
      Brand New
      $7.50
      Buy It Now
      +$6.40 delivery
      Free returns
      Sponsored
      Top Rated Plus
    • Kids Thermal Underwear Suit / Set Full Sleeve Top & Long Johns Heat Trap Fabric
      Kids Thermal Underwear Suit / Set Full Sleeve Top & Long Johns Heat Trap Fabric
      Opens in a new window or tab
      Brand New
      $12.54 to $13.93
      Buy It Now
      +$34.99 delivery
      from United Kingdom
      Sponsored
    • Kids Thermal Underwear Long Johns John Bottoms Trousers Soft Heat Trap Fabric
      Kids Thermal Underwear Long Johns John Bottoms Trousers Soft Heat Trap Fabric
      Opens in a new window or tab
      Brand New
      $5.56 to $6.96
      Buy It Now
      +$34.84 delivery
      from United Kingdom
      Sponsored
    • Infant/Toddler/Boys Snozu $18 Assorted Thermal Underwear/Pajamas Sizes 12Mth - 7
      Infant/Toddler/Boys Snozu $18 Assorted Thermal Underwear/Pajamas Sizes 12Mth - 7
      Opens in a new window or tab
      Brand New
      $10.00
      Buy It Now
      Free delivery
      Free returns
      Sponsored
    • Tell us what you think- opens in new window or tab

    Copyright © 1995-2025 eBay Inc. All Rights Reserved. Accessibility, User Agreement, Privacy, Consumer Health Data, Payments Terms of Use, Cookies, CA Privacy Notice, Your Privacy Choices and AdChoice