J.Crew Factory Logo
J.Crew Factory Logo
  • Holiday

    Holiday

    Gifts For All

    • For Women
    • For Men
    • For Girls
    • For Boys
    • For Pets

    For The Family

    • Family Plaid
    • Family Pajamas
    • Family Coats
    • Holiday Party Outfits
  • New

    New

    Shop New Arrivals

    • For Women
    • For Men
    • For Girls
    • For Boys
  • Women

    Women

    Women

    • New Arrivals
    • Gifts
    • Best Sellers
    • Petite Sizes
    • Tall Sizes
    • Shop All

    Deals

    • 60% Off All Sweaters
    • 70% Off 100+ Styles
    • The Holiday Score

    Happening Now

    • Maternity
    • The Holiday Dress-up Shop
    • Stocking Stuffers

    Clothing

    • All Clothing
    • Sweaters & Cardigans
    • Shirts & Tops
    • Knits & Tees
    • Coats, Jackets & Vests
    • Denim & Jeans
    • Pants, Khakis & Chinos
    • Blazers
    • Dresses
    • Skirts
    • Sweatshirts & Sweatpants
    • Pajamas
    • Shorts
    • Swimsuits & Cover-ups
    • Leggings
    • Suits

    Shoes

    • All Shoes
    • Boots
    • Heels
    • Flats & Loafers
    • Sneakers
    • Slippers

    Accessories

    • All Accessories
    • Jewelry
    • Hair Accessories
    • Hats & Gloves
    • Scarves & Ponchos
    • Belts
    • Socks & Tights
    • Sunglasses & Readers
    • Gifting & Pet Accessories
  • Men

    Men

    Men

    • New Arrivals
    • Gifts
    • Best Sellers
    • Shop All

    Deals

    • 60% Off All Sweaters
    • 70% Off 100+ Styles
    • The Holiday Score

    Happening Now

    • The Holiday Dress-up Shop
    • Stocking Stuffers

    Clothing

    • All Clothing
    • Shirts
    • Tees
    • Sweaters
    • Sweatshirts & Sweatpants
    • Polos
    • Pants, Khakis & Chinos
    • Jeans
    • Coats, Jackets & Vests
    • Suits & Blazers
    • Shorts
    • Underwear
    • Pajamas & Loungewear

    Shoes

    • All Shoes
    • Boots
    • Shoes
    • Slippers
    • Sneakers

    Accessories

    • All Accessories
    • Hats
    • Socks
    • Ties & Pocket Squares
    • Belts
    • Bags & Wallets
    • Sunglasses
    • Cold-Weather Accessories
  • Denim

    Denim

     
    Women

    • Skinny Jeans
    • Essential Straight Jeans
    • Classic Vintage Jeans
    • Slim Boyfriend Jeans
    • Flare Crop Jeans
    • Tall Sizes
    • Shop all

     
    Men

    • Skinny Jeans
    • Slim Jeans
    • Straight Jeans
    • Athletic Slim Jeans
    • Shop All
  • Sweaters

    Sweaters

     
    Women

    • Cardigans
    • Blazers
    • Pullovers
    • Turtlenecks
    • Shop all

     
    Men

    • Crewnecks
    • Cardigan
    • Half Zips
    • V-necks
    • Polos
    • Shop All


    Girls

    • Shop All


    • Boys

    • Shop All
  • Girls

    Girls

    Girls

    • New Arrivals
    • Gifts
    • Best Sellers
    • Shop All

    Deals

    • 60% Off All Sweaters
    • 70% Off 100+ Styles
    • Everyday styles under $20

    Happening Now

    • The Holiday Dress-up Shop
    • The Uniform Shop
    • Stocking Stuffers

    Clothing

    • All Clothing
    • Dresses
    • Skirts & Shorts
    • Graphic Tees
    • Shirts, T-Shirts & Tops
    • Sweatshirts & Sweaters
    • Coats, Jackets & Vests
    • Pants & Leggings
    • Swim
    • Pajamas

    Shoes & Accessories

    • All Shoes & Accessories
    • Socks & Shoes
    • Jewelry & Accessories
    • Hair
  • Boys

    Boys

    Boys

    • New Arrivals
    • Gifts
    • Best Sellers
    • Shop All

    Deals

    • 60% Off All Sweaters
    • 70% Off 100+ Styles
    • Everyday styles under $20

    Happening Now

    • The Holiday Dress-up Shop
    • The Uniform Shop
    • Stocking Stuffers

    Clothing

    • All Clothing
    • Graphic Tees
    • Tees & Polos
    • Shirts
    • Sweatshirts & Sweaters
    • Vests, Jackets & Coats
    • Pants & Sweatpants
    • Swim & Rash Guards
    • Thompson Suits
    • Pajamas & Underwear

    Shoes & Accessories

    • All Shoes & Accessories
    • Shoes & Socks
    • Ties & Accessories
  • Clearance

    Clearance

    Sale

    • Shop Women's Sale
    • Shop Men's Sale
    • Shop Girls' Sale
    • Shop Boys' Sale

    Shop Today's Deals

    • UP TO 70% OFF EVERYTHING*
    • EXTRA 60% OFF CLEARANCE*
    • 70% OFF 100+ STYLES*
    • 60% OFF ALL SWEATERS*

    Women

    • Shop All
    • New To Sale

    Girls

    • Shop All

    Men

    • Shop All

    Boys

    • Shop All

    Shop Today's Deals

    • UP TO 70% OFF EVERYTHING*
    • EXTRA 60% OFF CLEARANCE*
    • 70% OFF 100+ STYLES*
    • 60% OFF ALL SWEATERS*
  • icon_storesStores
  • Shopping Bag
      Subtotal:
      Checkout
    Up to 70% off everything.
    Extra 60% off clearance.
    70% off 100+ styles.
    60% off all sweaters.
    Shop the gift of the week!
    19.95 CAD standard shipping, every single day.
    This Week's Offers
    Shop Today’s Deals
    • UP TO 70% OFF EVERYTHING*
    • EXTRA 60% OFF CLEARANCE*
    • 70% OFF 100+ STYLES*
    • 60% OFF ALL SWEATERS*
    • Up to 70% off everything.
    • Extra 60% off clearance.
    • 70% off 100+ styles.
    • 60% off all sweaters.
    • Shop the gift of the week!
    • 19.95 CAD standard shipping, every single day.

    • Home

    • /

    • men

    • /

    • Underwear

    Men's knit trunks underwear

    Featured
    • Featured
    • Price: Low - High
    • Price: High - Low
    • Top Rated
    • New Arrivals
    0 items

    Category

    knit trunks
    Clear All

    Sorry, your selections have returned zero results.

    Please update your selected filters to continue browsing.

      • Email UsEmail Us
      • Find a StoreFind a Store

      Help

      • Customer Service
      • Track Order
      • Returns & Exchanges
      • Shipping
      • International Orders
      • Contact Us

      Quick Links

      • Size Charts
      • Offers & Promotions
      • My Favorites

      About J.Crew Factory

      • Our Story
      • Careers
      • Social Responsibility
      • California Transparency Act/Modern Slavery Act
      • Investor Relations
      • Terms of Use
      • Privacy Policy
      • California Do Not Sell My Personal Information
      • Diversity, Equity and Inclusion at J.Crew Group
      • instagram
      • facebook
      • linkedin
      Canada
      madewelljcrew
      © 2023 Factory

      Sign Up For Factory Emails

      Deals, steals and style ideas delivered to your inbox.