Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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10 Best flap mens underwears of 2026
Save up to 17% off
1
EkouaerEkouaer Men's One Piece Pajama Thermal Full Button Union Suit Long Sleeve Onesie with Button Flap Red L
9.9Exceptional
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2
All CitizensAll Citizens Elite Ball Pouch Underwear for Men w/fly, Boxer Briefs with Patented Ball Pouch, Performance Fabric, No Ride Up Legs, Green, X-Large
9.7Exceptional
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3
FRENZCOYFRENZCOY Sexy Men's Underwear Sexy Thong Jockstrap Flap Front Stretch Bulge Pouch Brief One Size
17% Off9.6Exceptional
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4
5Mayi5Mayi Mens Underwear Boxer Briefs for Men Viscose Underwear Comfortable Midrise Undergarments with Open Fly
9.5Excellent
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5
ZAIGGUTZAIGGUT Mens Open Fly Boxer Briefs Ice Silk Bulge Pouch Underwear No Ride Up Sexy Trunks Underwear (Blue, M 32-34)
9.4Excellent
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6
CerahomeCerahome Men's Boxers Briefs Fly Pouch Front Open Breathable Bulge Underwear Separated Pouch Trunks (US, Alpha, Large, Regular, Regular, Trunks-White)
9.3Excellent
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7
Amazon EssentialsAmazon Essentials Men's Underwear Boxer Briefs, Comfortable Cotton, Tag-Free, Pack of 5, Black/Charcoal/Grey Heather, XX-Large
9.0Excellent
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8
Amazon EssentialsAmazon Essentials Men's Underwear Boxer Briefs, Comfortable Cotton, Tag-Free, Pack of 5, Black/Charcoal/Grey Heather, XX-Large
8.7Very Good
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9
KAMUONKAMUON Men’s Removable Pouch Long Johns Thermal Underwear Pants Bottom Leggings (US, Alpha, Large, Regular, Regular, Black)
8.6Very Good
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10
KAMUONKAMUON Men’s Sexy Pouch Thong G-String Boxer Underwear Panties Home Sleep Shorts (US L = Asian Tag XL : waist 34"-36", 1 Pack-Black)
8.5Good
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