Skip to top navigationSkip to shopping bagSkip to main contentSkip to quick filtersSkip to product filtersSkip to footer links
Open and use a Navyist Rewards Credit Card & get an extra 30% off* your first purchase. Apply Now.Open and use a Navyist Rewards Credit Card & get an extra 30% off* your first purchase. Apply Now.
on logo lighton logo dark

Men's Underwear with Fly

30 items
Size Variant
  • $0
  • $5
  • $10
  • $15
  • $20
  • $25
  • $30
  • $35
  • $40
to
  • $45
  • $40
  • $35
  • $30
  • $25
  • $20
  • $15
  • $10
  • $5
30 items
  • Price: Low-High
  • Price: High-Low
Underwear Briefs Variety 7-Pack for Boys
Boxer-Briefs Underwear 7-Pack for Boys
Boxer-Briefs Underwear 7-Pack for Boys
Poplin Printed Boxer Shorts for Boys
Go-Dry Cool Performance Boxer-Brief Underwear -- 5-inch inseam
Go-Dry Cool Performance Boxer-Brief Underwear 3-Pack -- 5-inch inseam
Printed Boxer Briefs -- 6.25-inch inseam
3-Pack Boxer Briefs -- 4.5-inch inseam
Printed Boxer Briefs -- 4.5-inch inseam
Built-In Flex Boxer-Briefs Underwear 3-Pack --4.5-inch inseam
Printed Built-In Flex Underwear Trunks -- 3-inch inseam
Printed Built-In Flex Boxer-Brief Underwear 3-Pack -- 6.25-inch inseam
Printed Built-In Flex Boxer-Brief Underwear -- 6.25-inch inseam
3-Pack Soft-Washed Boxer Briefs -- 6.25-inch inseam
Soft-Washed Built-In Flex Printed Boxer-Brief Underwear -- 4.5-inch inseam
Soft-Washed Built-In Flex Boxer-Brief Underwear 10-Pack --6.25-inch inseam
Soft-Washed Built-In Flex Boxer-Brief Underwear 5-Pack -- 6.25-inch inseam
Printed Flannel Boxer Shorts -- 3.75-inch inseam
Soft-Washed Boxer Briefs 3-Pack -- 6.25-inch inseam
Soft-Washed 3-Pack Modal Boxer-Brief Underwear -- 6-inch inseam
Soft-Washed Boxer-Brief 5-Pack -- 6.25-inch inseam
5-Pack Soft-Washed Boxer Briefs -- 6.25-inch inseam
3-Pack Soft-Washed Boxer Shorts -- 3.75-inch inseam
Soft-Washed Trunks -- 3-inch inseam
5-Pack Soft-Washed Boxer Shorts -- 3.75-inch inseam
3-Pack Soft-Washed Boxer Shorts -- 3.75-inch
Printed Swim Trunks --7-inch inseam
3-Pack Trunks -- 3-inch inseam
High-Waisted Poplin Pajama Pant
Soft-Washed Boxer Shorts -- 3.75-inch

Similar Categories

Printed Underwear for Men
Men's Boxer Briefs with Fly Opening
Mens Active Underwear
Men's Printed Underwear Trunks
Men's Boxers With Button Fly
Fitted Underwear For Men
Boxer Briefs with Fly
Button Fly Boxers
Undergarments for Men
Men's Basic Underwear

MEN'S UNDERWEAR WITH FLY

Discover the ultimate in comfort and style with our collection of men's underwear with fly at Old Navy. Designed with your needs in mind, our underwear offers the perfect combination of support, breathability, and functionality. Whether you prefer boxer briefs, briefs, or trunks, we have a wide range of options to suit your preference.

Our men's underwear with fly features soft-washed fabrics that feel great against your skin, ensuring all-day comfort. The built-in flex technology provides a stretchy fit that moves with you, allowing for unrestricted movement. With various inseam lengths available, you can choose the perfect coverage that suits your style and preference. Plus, our underwear is designed to wick away moisture, keeping you cool and dry throughout the day.