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Boys Underwear

Gap > Boys Clothing > Boys Underwear

Briefs & Under-Shirts

Kids Short Sleeve Undershirt (2-Pack)
Kids Short Sleeve Undershirt (2-Pack)
CA$19.95
CA$16.00
Online Exclusive
Kids Short Sleeve T-Shirt (3-Pack)
Kids Short Sleeve T-Shirt (3-Pack)
CA$24.95
CA$18.00-CA$20.00
Online Exclusive
Kids Undershirts (2-Pack)
Kids Undershirts (2-Pack)
CA$19.95
CA$14.00
Kids Shark Briefs (4-Pack)
Kids Shark Briefs (4-Pack)
CA$32.95
CA$26.00
Kids Dino Briefs (4-Pack)
Kids Dino Briefs (4-Pack)
CA$32.95
CA$26.00
Online Exclusive
GapKids | Marvel Spider-Man Briefs (4-Pack)
GapKids | Marvel Spider-Man Briefs (4-Pack)
CA$32.95
CA$26.00
Kids Buffalo Plaid Boxer Briefs
Kids Buffalo Plaid Boxer Briefs
CA$32.95
CA$24.00
Online Exclusive
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Briefs & Under-Shirts

Socks

Kids Geometric Shape Crew Socks (3-Pack)
Kids Geometric Shape Crew Socks (3-Pack)
CA$14.95
CA$12.00
Online Exclusive
Kids Gap Logo Crew Socks (3-Pack)
Kids Gap Logo Crew Socks (3-Pack)
CA$17.95
CA$14.00
Kids Gap Logo Crew Socks (4-Pack)
Kids Gap Logo Crew Socks (4-Pack)
CA$14.95
CA$12.00
Online Exclusive
Kids Cozy Crew Socks
Kids Cozy Crew Socks
CA$7.95
CA$6.00
Kids Graphic Crew Socks (3-Pack)
Kids Graphic Crew Socks (3-Pack)
CA$14.95
CA$12.00
Online Exclusive
GapKids | Marvel Spider-Man Crew Socks (3-Pack)
GapKids | Marvel Spider-Man Crew Socks (3-Pack)
CA$14.95
CA$12.00
Kids Dress Socks (3-Pack)
Kids Dress Socks (3-Pack)
CA$16.95
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Socks

Sale

Kids Shark Briefs (4-Pack)
Kids Shark Briefs (4-Pack)
CA$32.95
CA$25.99
Kids No-Show Socks (3-Pack)
Kids No-Show Socks (3-Pack)
CA$14.95
CA$6.99
Kids Gap Logo No-Show Socks (3-Pack)
Kids Gap Logo No-Show Socks (3-Pack)
CA$14.95
CA$8.99
Kids Emoji Briefs (4-Pack)
Kids Emoji Briefs (4-Pack)
CA$32.95
CA$22.99
Kids Colorblock Ankle Socks (3-Pack)
Kids Colorblock Ankle Socks (3-Pack)
CA$17.95
CA$10.99
Kids Colorblock Ankle Socks (3-Pack)
Kids Colorblock Ankle Socks (3-Pack)
CA$17.95
CA$10.99
Kids Print Briefs (4-Pack)
Kids Print Briefs (4-Pack)
CA$32.95
CA$24.99
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Sale
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GapKids Boys Underwear at Gap

Discover an array of boys underwear from Gap that are incredible comfortable and practical. With easy to wear designs that are wonderfully stylish; impress your little guy with boys underwear from GapKids. Make getting dressed an adventure with fun styles of boys underwear. Choose from shark, guitar, airplane and sports briefs or boxers as well as holiday favorites such as reindeer, snowman and snowboard boys underwear. With a number of styles to enjoy, you are sure to find the perfect selection of boys underwear from GapKids. Stock up on a variety of briefs and boxers in 3-pack, 2-pack, 7-pack and individual boys underwear options from Gap.