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Gel Flask 200ml

Gel Flask 200ml

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£7.50 GBP
£7.50 GBP
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    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.

    Simplify your training and racing with the Purendure Reusable Gel Flask, designed to hold up to 4 energy gels in one compact, easy-squeeze bottle. This running and cycling gel flask eliminates the need for multiple sticky packets, making fueling cleaner, faster, and more efficient.

    Perfect for long runs, bike rides, races, and endurance events, this soft, lightweight flask holds the contents of four Purendure energy gels (4 pouches), giving you all your fuel in one place without bulk or mess.

    Its ergonomic shape fits comfortably in your hand, running vest, or cycling jersey pocket, while the easy-squeeze design lets you fuel quickly and cleanly on the move. Made from BPA-free, food-safe materials, it’s reusable, resealable, and built for performance and sustainability.

    Why Choose the Purendure Gel Flask

    • Holds up to 4 energy gels (gel flask only)

    • Lightweight & soft for easy squeezing under effort

    • Leakproof screw cap with valve for mess-free fueling

    • BPA-free & food-safe materials

    • Reusable & easy to clean for long-term use

    • Perfect for endurance sports – running, cycling, triathlon & ultras

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    FREE UK Shipping on Orders £50+

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    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