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Black shorts with a BL101 logo on a white background
  • Black shorts with a BL101 logo on a white background
  • Black shorts with a BL101 logo on a white background
  • Black BL101 swim trunks with elastic drawstring waistband and gray BL101 home plate logo, laid flat on a light blue pool
  • Male model standing poolside in black BL101 swim trunks and a white Swing Into Spring tee, holding a baseball while wearing pink mirrored shield sunglasses.
  • Close-up of black BL101 swim trunks with gray BL101 home plate logo on the front left leg, worn poolside.
  • Side view of black BL101 swim trunks showing the BL101 logo and built-in gray mesh liner at the hem.
  • Back view of black BL101 swim trunks highlighting the cargo-style snap pocket, paired with a white Baseball Lifestyle graphic tee poolside.
  • Black shorts with a BL101 logo on a white background
  • Black shorts with a BL101 logo on a white background
  • Black BL101 swim trunks with elastic drawstring waistband and gray BL101 home plate logo, laid flat on a light blue pool
  • Male model standing poolside in black BL101 swim trunks and a white Swing Into Spring tee, holding a baseball while wearing pink mirrored shield sunglasses.
  • Close-up of black BL101 swim trunks with gray BL101 home plate logo on the front left leg, worn poolside.
  • Side view of black BL101 swim trunks showing the BL101 logo and built-in gray mesh liner at the hem.
  • Back view of black BL101 swim trunks highlighting the cargo-style snap pocket, paired with a white Baseball Lifestyle graphic tee poolside.
Baseline Youth Swim Trunks - Black

Baseline Youth Swim Trunks - Black

5.0
Rated 5.0 out of 5 stars
24 Reviews
$49.99
Size
Color
SOLD OUT - Notify me when available
Product Description

Whether you're cooling off after a double-header or spending the day by the water, these swim trunks are built for the ultimate baseball lifestyle. Designed with a sleek, all-over black finish, they deliver an elevated look that transitions effortlessly from the beach to the boardwalk. Experience maximum comfort with a premium interior lining that moves with you, ensuring you stay focused on the vibes, not the fit.


• 100% Polyester Outershell

• 88% Polyester / 12% Spandex Interior Lining

• Comfortable Elastic Waistband

• Adjustable Drawstring for a Custom Fit

• Quick-Dry Premium Fabric

• Supportive Interior Lining

• Built for Durability and Style
Size Chart

SIZING AND FIT FOR SWIM TRUNKS COLLECTION YOUTH TRUNKS

SIZING: TRUE TO SIZE

CARE: MACHINE WASH COLD & AIR DRY

SIZE (IN) YXXS YXS YS YM YL YXL
Waist Relaxed 9.25 10 11.25 12 13 14
Hip Width 14.5 15.5 17.5 18.5 19.5 20.5
Inseam 3 3 5 5 5 5
Front Rise Including Waistband 7.5 8 9 9.5 10 10.5
Back Rise Including Waistband 9.5 10 11 11.5 12 12.5
Leg Opening 8.25 8.75 10 10.5 11 11.5
Shipping & Returns
Shipping Policy:

We offer standard and expedited shipping options. Orders typically ship within 3-5 business days, with delivery times varying based on your location. You'll receive a tracking number once your order ships. Please note that shipping times are estimates and are not guaranteed.

Return Policy:

We accept returns within 30 days of purchase for unworn and unwashed items with original tags. To initiate a return, please visit our portal. Shipping fees for returns are the responsibility of the customer unless the item is defective or incorrect. If you received an incorrect or defective item, please reach out to info@bl101.com for assistance.

* Shipping and return policy is subject to change around holidays and other events.

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5.0
Rated 5.0 out of 5 stars
Based on 24 reviews
Total 5 star reviews: 24 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
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24 reviews
  • BH
    Brandy H.
    Verified Buyer
    Reviewing
    Baseline Youth Swim Trunks - Black
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Youth Swim

    Do not order up in size if you are in between or you will regret it.

    Was this helpful?
  • DL
    Denise L.
    Verified Buyer
    Reviewing
    Baseline Youth Swim Trunks - Orange
    I recommend this product
    Rated 5 out of 5 stars
    2 months ago
    Wears nothing else

    Swim trunks

    Was this helpful?
  • JK
    Jena K.
    Verified Buyer
    Reviewing
    Baseline Youth Swim Trunks - Blue
    I recommend this product
    Rated 5 out of 5 stars
    1 hour ago
    Great trunks

    These are perfect for boys. The liner is like shorts and they are very comfortable.

    Was this helpful?
  • KB
    Kristina B.
    Verified Buyer
    Reviewing
    Baseline Youth Swim Trunks - Blue
    I recommend this product
    Rated 5 out of 5 stars
    1 week ago
    Bathing Suit

    Bought this bathing suit for my son for Easter since he is baseball life obsessed! It’s such great quality and he was so excited when he opened it. Don’t wait to order yours!

    Was this helpful?
  • RZ
    Rachel Z.
    Verified Buyer
    Reviewing
    Baseline Youth Swim Trunks - Black
    I recommend this product
    Rated 5 out of 5 stars
    2 weeks ago
    Best swim trucks

    My son loves these. They fit perfect and he said they were comfortable even in the ocean

    Was this helpful?