GymBumUK Long Box Logo Tee

GymBumUK Long Box Logo Tee

Engineered with purpose. Worn with confidence

Regular price £24.99 GBP
Regular price Sale price £24.99 GBP
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Shipped by GymBum UK

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.

    GymBum UK – Long Box Logo QuickDry Performance Tee

    Bold, lightweight, and built for everyday performance, the Long Box Logo QuickDry Performance Tee blends clean streetwear styling with serious training comfort. Constructed from breathable polyester fabric, it promotes airflow while helping regulate body temperature during demanding workouts.

    QuickDry moisture-wicking technology helps pull sweat away from the skin, keeping you cool, dry, and focused whether you're lifting heavy, pushing through cardio, or staying active throughout the day.

    The relaxed unisex fit allows unrestricted movement, while the lightweight construction keeps the tee comfortable for both intense training sessions and casual everyday wear. Finished with the distinctive GymBum long box logo design, this tee delivers the perfect balance of performance functionality and confident athletic style.

    Reach for the Summit.


    Why You'll Love It

    • Lightweight breathable fabric helps regulate body temperature
    • QuickDry moisture-wicking technology keeps you cool and comfortable
    • Relaxed unisex fit allows unrestricted movement
    • Durable fabric built to maintain shape and structure over time
    • Clean box logo design for bold GymBum styling
    • Versatile design suitable for training and everyday wear


    Performance Fabric

    • 100% polyester performance fabric
    • Lightweight and breathable construction
    • QuickDry moisture-wicking technology
    • Durable material designed for repeated training and washing


    Construction Details

    • Side-seamed construction for improved durability
    • Reinforced collar binding for long-lasting structure
    • Short sleeves for natural mobility and comfort
    • Classic round neckline for versatile everyday wear


    Performance & Fit

    The Long Box Logo QuickDry Performance Tee features a relaxed athletic fit that moves naturally with your body. The lightweight fabric and breathable construction help maintain comfort during longer training sessions while remaining versatile enough for everyday wear.


    Designed For

    • Strength training
    • Cross training & HIIT
    • Running & cardio
    • Functional fitness
    • Everyday activewear


    GymBum Performance Standard

    Every GymBum product is designed with a balance of performance, durability, and clean athletic styling.

    Our goal is simple: create premium activewear that performs in the gym while remaining comfortable enough for everyday wear.

    Reach for the Summit.

    Size guide

      LENGTH (inches) CHEST (inches)
    S 27 ½ 31-34
    M 28 ⅜ 35-38
    L 29 ⅛ 39-41
    XL 29 ⅞ 42-45
    2XL 30 ¾ 46-48
      LENGTH (cm) CHEST (cm)
    S 70 78.7-86.4
    M 72 89-96.5
    L 74 99-104.1
    XL 76 106.7-114.3
    2XL 78 116.8-122

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    Order Before 3PM — Same-Day Dispatch

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    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