GymBumUK Keep Moving Performance Tee

GymBumUK Keep Moving Performance 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 – Keep Moving QuickDry Performance Tee

    Stay focused, stay driven, and keep moving. The Keep Moving QuickDry Performance Tee is designed to support your training with lightweight comfort and reliable performance. Constructed from breathable polyester fabric, it helps regulate body temperature while allowing airflow during demanding workouts.

    QuickDry moisture-wicking technology pulls sweat away from the skin, helping you stay cool, dry, and focused whether you're pushing through tough gym sessions, running outdoors, or staying active throughout the day.

    The relaxed unisex fit provides unrestricted movement, while the lightweight construction ensures all-day comfort. Finished with the motivational Keep Moving slogan and clean GymBum styling, this tee delivers a balance of performance functionality and everyday versatility.

    Reach for the Summit.


    Why You'll Love It

    • Breathable performance fabric helps regulate body temperature
    • QuickDry moisture-wicking technology keeps you cool and comfortable
    • Relaxed unisex fit allows unrestricted movement
    • Lightweight construction designed for everyday comfort
    • Durable fabric built to maintain shape and structure over time
    • Motivational Keep Moving design to inspire progress


    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 Keep Moving QuickDry Performance Tee features a relaxed athletic fit that moves naturally with your body. The breathable fabric helps maintain comfort during intense training sessions while remaining versatile enough for everyday wear.


    Designed For

    • Strength training
    • Cross training & HIIT
    • Running & cardio
    • Outdoor workouts
    • 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

    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