1 3

Boy's Swim Trunks

Boy's Swim Trunks

Fast dispatch. 30-day hassle-free returns

£28.00 GBP
£28.00 GBP
Sale Sold out
Tax included. Shipping calculated at checkout.

Free UK shipping over £60

Size chart

    GymBum UK Size Guide

    GYMBUM UK®

    Size Guide

    1️⃣ Women – Sports Bras

    Measure Yourself

    For accurate sizing, keep the tape measure level and parallel to the ground.

    Bust
    Measure around the fullest part of your chest.

    Underbust
    Measure directly under your bust where the bra band sits.

    Body Measurements (Inches)

    Size Bust Underbust
    XS 33–34" 27–28"
    S 34–36" 28–30"
    M 36–38" 30–32"
    L 38–40" 32–34"
    XL 40–43" 34–36"
    2XL 43–46" 36–39"
    3XL 46–49" 39–42"

    Between sizes?
    Size up for a more comfortable fit.
    Size down for a more compressive performance fit.

    2️⃣ Women – Tops & T-Shirts

    Body Measurements (Inches)

    UK Size Bust Waist
    4–6 31–33" 24–26"
    8–10 33–36" 26–28"
    12–14 36–40" 28–32"
    16 40–43" 32–34"
    18 43–46" 34–37"

    3️⃣ Women – Leggings & Shorts

    Body Measurements (Inches)

    UK Size Waist Hips
    4–6 24–26" 34–36"
    8–10 26–28" 36–38"
    12–14 28–32" 38–42"
    16 32–34" 42–44"
    18 34–37" 44–46"

    4️⃣ Men – Tops & Hoodies

    Size Chest Waist
    S 36–38" 30"
    M 38–40" 32–34"
    L 42–44" 36"
    XL 46–48" 38"
    XXL 50–52" 40–42"

    5️⃣ Men – Shorts & Joggers

    Size Waist
    S 30"
    M 32–34"
    L 36"
    XL 38"
    XXL 40–42"

    Fit & Sizing Notes

    • Some styles follow Asian sizing and may run 1–2 sizes smaller than standard UK sizing.
    • Refer to each product description for specific fit details.
    • Measurements may vary slightly depending on fabric and cut.

    These boys’ incontinence swim trunks are designed to look like regular swimwear while providing reliable, discreet protection in the water.

    Perfect for swimming lessons, hydrotherapy, holidays or beach days, they offer a secure fit without compromising on comfort or style.

    Key Features:

    • Two-in-one design with outer swim trunks and built-in waterproof inner briefs
    • Waterproof inner briefs made from breathable PU coated polyester
    • Adjustable leg openings with elastic tape and pull tie waistband for a secure, comfortable fit
    • Designed for bowel incontinence and suitable for urinary incontinence
    • Chlorine-resistant fabric with UPF 50+ sun protection
    • No pilling, durable and long-lasting
    • Lightweight, quick drying and easy to wear

    Fabric Composition:

    • Outer: 79% Polyamide Micro, 21% Xtra Life LYCRA®
    • Inner: PU coated 100% Polyester

    Care Instructions

    • Rinse thoroughly in cold water immediately after use
    • Machine washable at 40°C
    • Do not tumble dry
    • Do not wring
    • Wash in a laundry bag where possible

    RECENTLY VIEWED PRODUCTS

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand