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- Lands End Xs 4-5 Cool Sharks Swim Trunks Blue & Black NWTOpens in a new window or tabBrand New$12.95or Best Offer+$4.84 delivery
- Patagonia Baggies Swim Outdoor Shorts 5 Lined Afternoon Pink Youth Boys XS 5-6Opens in a new window or tabBrand New$34.99Buy It Now+$6.55 delivery
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- Nike Swim Trunks Boys XS *estimated* Light Blue Brief LinedOpens in a new window or tabPre-Owned$3.60Was: $12.0070% offBuy It Now+$4.99 deliveryFree returnsTop Rated Plus
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- Patagonia $49 Kids Baggies Nylon Shorts 7" Lined Afternoon Pink Size XS (5-6)Opens in a new window or tabBrand New$44.00or Best Offer+$5.89 deliveryExtra 23% off
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- Tylers Youth XSmall Classic Swim Trunks Dinosaur Surfer SummerOpens in a new window or tabPre-Owned$19.60or Best Offer+$7.25 delivery
- NEW Peter Millar Swim Trunks Hot Air Balloon Print Red Multi Boys Sz XS (5-6)Opens in a new window or tabBrand New$55.00or Best Offer+$4.99 delivery
- Cherokee Swim Trunks Boys Size XS (4-5) Blue Green Striped Shark Print LinedOpens in a new window or tabPre-Owned$8.39Was: $11.9930% offor Best Offer+$5.99 delivery
- OP Ocean Pacific Board Shorts Boys Size XS Swim Shorts Blue White LinedOpens in a new window or tabPre-Owned$10.00or Best Offer+$5.99 deliveryFree returnsTop Rated Plus
- Rokka&Rolla Boys Swim Trunk Mesh Lined Bathing Suit UPF50+Quick Dry Beach ShortsOpens in a new window or tabBrand New$25.50Was: $36.4330% offBuy It NowFree deliveryFree returnsTop Rated Plus
- Nintendo Mario Kart Swim Trunks Boy Xs 4 5 Luigi Lined Drawstring Pocket Upf 50Opens in a new window or tabPre-Owned$12.00Was: $24.0050% offor Best Offer+$5.95 deliveryFree returnsExtra 20% off with couponTop Rated Plus
- Minecraft Swim Trunks Board Shorts w/ Mesh Lining & Drawstrings Boy's XS (4/5)Opens in a new window or tabPre-Owned$7.00Buy It Now+$4.71 delivery
- Gap Kids Swim Trunks Boy’s Size X-Small Mesh Lined G-86 SurfOpens in a new window or tabPre-Owned$7.99or Best Offer+$4.71 deliveryBenefits charity
- Southern Tide Boys Small 4-5 XS Coral Orange Elastic Waist Swim Trunk ShortsOpens in a new window or tabBrand New$18.00or Best Offer+$7.95 delivery
- Vilebrequin Swim Trunks Collector 1964 Geometric Lined Shorts Youth XSOpens in a new window or tabPre-Owned$42.75or Best Offer+$6.00 deliveryFree returnsTop Rated Plus
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Based on number of views and purchases | Sponsored- NikeNike Swim Trunks Boys XS *estimated* Light Blue Brief LinedOpens in a new window or tabPre-Owned$3.60+$4.99 delivery
- HurleyBoy's Youth Hurley Elastic Waist Swimsuit Swim NEWOpens in a new window or tabBrand New$17.99Free delivery
- TrunksBuc-ees Youth Xs Lined Polyester Shorts Swim Trunks BuceesOpens in a new window or tabPre-Owned$9.29+$4.84 delivery
- GapGap Kids Tropical Board Shorts Swim Boys Size XS Flamingos Beach Mesh LiningOpens in a new window or tabPre-Owned$6.55+$4.84 delivery
- MarvelMarvel Avengers Swim Trunks Boys Size XS Blue Red Mesh Lined Board ShortsOpens in a new window or tabPre-Owned$15.39+$4.99 delivery
- MarvelNEW - Bundle MARVEL SPIDERMAN & GOODFELLOW BOYS SWIM TRUNKS XS/10-12. Loc-8Opens in a new window or tabNew (Other)$16.00+$5.21 delivery
- GapGap Kids Swim Trunks Boys Size XS (4-5) Brown Dinosaur T-Red LinedOpens in a new window or tabPre-Owned$6.99+$5.99 delivery
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- Speedo Boy's Swim Trunk Mid Length Redondo Solid Blue Size XSOpens in a new window or tabBrand New$19.99or Best OfferFree delivery
- Boys Size XS 4-5 Red White Blue BOARD SHORTS Swim Trunks Lining Star Swimming 5TOpens in a new window or tabPre-Owned$6.75Buy It Now+$4.97 delivery in 2-4 daysFree returnsTop Rated Plus
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- Old Navy Boys Swim Trunk Size 5T/XSOpens in a new window or tabPre-Owned$5.00or Best Offer+$4.84 delivery
- Buc-ees Youth Xs Lined Polyester Shorts Swim Trunks BuceesOpens in a new window or tabPre-Owned$9.29or Best Offer+$4.84 delivery
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- Wonder Nation Boys Quick Dry Swim Trunks Pocket Tropical Shorts XS (4-5)Opens in a new window or tabBrand New$6.99Buy It Now+$4.50 deliveryExtra 10% off with coupon
- Harry Potter Boys Swim Trunks XS Blue Hogwarts Emblem Deathly Hallows LinedOpens in a new window or tabPre-Owned$10.07or Best Offer+$4.51 deliveryBenefits charity
- Vintage Pro Spirit Kids Swim Trunks 90s Style Size XS 4-5Opens in a new window or tabPre-Owned$18.00or Best OfferFree delivery
- Rokka&Rolla Boys' 4-Way Stretch Swim Trunks Board Shorts Bathing Suit SwimwearOpens in a new window or tabBrand New$26.50Was: $37.8630% offBuy It NowFree deliveryFree returnsTop Rated Plus
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- Wave Zone Swim Trunks Boys Size XS 5 Cargo Board Shorts Blue Ombre SwimsuitOpens in a new window or tabPre-Owned$6.40Was: $8.0020% offor Best Offer+$4.98 deliveryFree returnsTop Rated Plus
- DC comics Batman Vs Superman Swim Short (XS)Opens in a new window or tabBrand New$10.99Buy It Now+$5.00 delivery
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- BUC-EE'S Galaxy Print Swim Trunks for Youth XSmall – Pockets & LinedOpens in a new window or tabPre-Owned$18.19Was: $25.9930% offor Best Offer+$5.62 delivery
- Wonder Nation Boys Quick Dry Swim Trunks Shorts Pocket Tropical Shorts XS (4-5)Opens in a new window or tabBrand New$6.99Buy It Now+$4.50 deliveryExtra 10% off with coupon
- Wonder Nation Boys Quick Dry Swim Trunks 3 Pocket Tropical Shorts XS (4-5)Opens in a new window or tabBrand New$6.99or Best Offer+$5.40 delivery
- Arena Men's Swimming Grey Swim Trunk 26 Swimwear Bath Short Swimsuit Boxer XSOpens in a new window or tabBrand New$15.52Was: $19.9022% offor Best Offer+$8.90 deliveryfrom CyprusFree returnsTop Rated Plus
- Boys XS (4/5) sonic the hedgehog - Blue and black checkered swim shortsOpens in a new window or tabBrand New$9.09Was: $12.9930% offBuy It Now+$5.50 delivery
- Speedo - Boys Hawaiian - Swim Trunks - NWT!Opens in a new window or tabBrand New$16.00or Best Offer+$6.00 delivery
- Cat & Jack Swim Trunks Dinosaur Print Swim Shorts with Mesh Lining XS SummerOpens in a new window or tabPre-Owned$7.49or Best Offer+$4.84 delivery
- Marvel Avengers Swim Trunks Boys Size XS Blue Red Mesh Lined Board ShortsOpens in a new window or tabPre-Owned$15.39Was: $21.9930% offor Best Offer+$4.99 delivery
- Gap Kids Tropical Board Shorts Swim Boys Size XS Flamingos Beach Mesh LiningOpens in a new window or tabPre-Owned$6.55Was: $7.8917% offor Best Offer+$4.84 delivery
- Cat & Jack Boys Swim Shorts Size XS Red White Blue Shark Swim Trunks SummerOpens in a new window or tabPre-Owned$5.00or Best Offer+$4.50 delivery in 2-4 days
- Cherokee Shorts Boys Extra Small Black Blue Skulls Swim Bottoms Lined DrawstringOpens in a new window or tabPre-Owned$6.00Was: $14.9960% offor Best Offer+$6.99 deliveryFree returns20% off 3+ with couponTop Rated Plus
- Cat & Jack Boys Swimsuit Bundle Of 3 Target Swimwear Bathing Palms Dinosaur USAOpens in a new window or tabNew (Other)$13.99or Best Offer+$5.80 delivery
- O'rageous Boys Swim Trunks XS Blue Shark Print Mesh Lining PocketsOpens in a new window or tabPre-Owned$14.00or Best Offer+$6.55 deliveryFree returns
- Old Navy Boys Shark Swim Shorts Bathing Suit Size XS (5)Opens in a new window or tabPre-Owned$6.00or Best Offer+$5.50 delivery
- NWT Boys PhatMojo MiniToon Piggy Mesh Lined Board Shorts Swim Trunks Size XSOpens in a new window or tabBrand New$9.99or Best Offer+$6.55 delivery
- Marvel Spider-Man Boys Red Multicolor Quick Dry Swim Trunks with UPF 50+, 4-5 XSOpens in a new window or tabBrand New$13.29Was: $18.9930% offBuy It NowFree delivery
- Cat & Jack Boys Swimming Shorts Xs(4-5) Strapped ColorfulOpens in a new window or tabPre-Owned$6.20or Best Offer+$4.84 delivery
- Mayaguana Honolulu Boys Youth Swim Trunks NEW SZ XS (8/10?) Black Red FloralOpens in a new window or tabBrand New$25.00or Best Offer+$4.52 delivery in 2-4 days
- Land's End Boys Size xs Swim Trunks Pink Surfing Dinosaur Swimsuit Shorts LinedOpens in a new window or tabPre-Owned$8.10Was: $9.0010% offor Best Offer+$5.85 delivery
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- DC Batman Superman Dark Knight Swim Trunks Swimsuit Boys Size XS (4/5)Opens in a new window or tabPre-Owned$6.50or Best Offer+$5.50 delivery
- Jurassic Park Dinosaur T-Rex Swim Trunks Hidden Drawstring Purple Green Black XSOpens in a new window or tabBrand New$11.88Was: $35.9967% offor Best OfferFree deliveryFree returnsExtra 25% off with coupon
- Maamgic Boys Swim Trunks Size XS Sharks, Pockets, Fully Lined, 14" across waistOpens in a new window or tabPre-Owned$7.99Buy It Now+$8.24 delivery
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- Marvel CAPTAIN AMERICA Bathing Suit SwimTrunks boys size XSOpens in a new window or tabPre-Owned$4.50Buy It Now+$4.14 delivery
- NEW Boy’s Old Navy Colorful CHILL Swim Trunks Shorts - Size XS/5Opens in a new window or tabNew (Other)$13.50Was: $15.0010% offBuy It Now+$9.11 delivery15% off 3+ with coupon
- CHEROKEE SWIM SHORTS Boys Toddler Size XS Black Green Lined Summer Pool ComfortOpens in a new window or tabPre-Owned$8.99Buy It NowFree delivery
- OP Floral Board Shorts Boys Sz XS 4/5 Swim Trunks Beachwear Pool Vacation VibesOpens in a new window or tabPre-Owned$13.99or Best Offer+$7.57 delivery
- Southern Tide Skipjack Youth XS Boys Swim Trunk Board Shorts Fish Logo PlaidOpens in a new window or tabPre-Owned$14.99Buy It Now+$4.99 delivery
- Old Navy Boys Swim Board Shorts Gray Yellow Floral Print Size XS (5)Opens in a new window or tabPre-Owned$6.99or Best Offer+$5.99 delivery
- Vintage Buzz Disney Store Boys Swim Shorts Size (XS) 4.Opens in a new window or tabPre-Owned$40.00or Best Offer+$4.84 delivery
- Uzzi Boys Red Lined Bathing Suits, Sailboats,Various SizesOpens in a new window or tabBrand New$10.97Buy It Now+$6.55 delivery
- Wonder Nation Boys Quick Dry Swim Trunks Pocket Tropical Shorts XS (4-5)Opens in a new window or tabBrand New$6.99Buy It Now+$4.50 deliveryExtra 10% off with coupon
- Mickey Mouse Boys Swim Trunks Size XS White Disney Dreamwave LinedOpens in a new window or tabPre-Owned$16.99Buy It Now+$6.00 delivery
- Speedo Boys Youth Swim Trunks Shorts Blue Pineapple Design Mesh Lining Size XSOpens in a new window or tabBrand New$15.00or Best Offer+$5.00 delivery
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