Orange Flex Long Logo Performance Tee

Orange Flex Long Logo Performance Tee

Engineered with purpose. Worn with confidence

Regular price £19.99 GBP
Regular price Sale price £19.99 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 – Orange Flex Long Logo Performance Tee

    Bold, lightweight, and built for performance, the Orange Flex Long Logo Performance Tee is designed to stand out while keeping up with your toughest training sessions. Constructed from breathable polyester mesh, it promotes airflow and helps regulate body temperature during intense workouts.

    QuickDry performance fabric helps wick moisture away from the skin, keeping you cool, dry, and focused whether you're pushing through demanding gym sessions or staying active throughout the day.

    The relaxed unisex fit allows unrestricted movement, while the extended length provides reliable coverage during lifts, squats, and dynamic training. Finished with the distinctive GymBum long logo and a vibrant orange colourway, this tee delivers the balance of performance comfort and standout athletic style.

    Reach for the Summit.


    Why You'll Love It

    • Breathable polyester mesh promotes airflow during training
    • QuickDry moisture-wicking fabric helps keep you cool and comfortable
    • Relaxed unisex fit allows unrestricted movement
    • Extended length provides better coverage during workouts
    • Lightweight construction designed for all-day comfort
    • Durable fabric built to maintain shape and colour over time
    • Bold orange colourway with signature GymBum long logo styling


    Performance Fabric

    • 100% breathable polyester mesh
    • Fabric weight: 4.13 oz./yd² (140 g/m²)
    • Lightweight performance construction
    • QuickDry moisture-wicking technology
    • Elastic and durable fabric designed for repeated wear


    Construction Details

    • Side-seamed construction for improved durability
    • Reinforced collar binding for long-lasting structure
    • Short raglan sleeves for enhanced shoulder mobility
    • Classic round neckline for versatile everyday wear
    • Extended length for improved coverage during training


    Performance & Fit

    The Orange Flex Long Logo Performance Tee features a relaxed athletic fit that moves naturally with your body. Raglan sleeves allow full shoulder mobility, making it ideal for lifting, functional fitness, and high-intensity training.

    The lightweight mesh construction keeps airflow consistent while maintaining comfort during longer workouts.


    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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    FREE UK Shipping on Orders £50+

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    Order Before 3PM — Same-Day Dispatch

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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