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Reebok Women's Steffi Simone

Reebok Women's Steffi Simone

Engineered with purpose. Worn with confidence

£12.98 GBP
£12.98 GBP £12.98 GBP
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Tax included. Shipping calculated at checkout.

Shipped by GymBum UK

Size
Color

Size chart

    GymBum UK Size Guide

    🧡 GymBum UK Sports Bra Size Guide

    Size Chest (inches) Underbust (inches)
    XS 33 ⅛ 27 ½
    S 34 ⅝ 29 ⅛
    M 36 ¼ 30 ¾
    L 39 ⅜ 33 ½
    XL 42 ½ 36 ¼
    2XL 45 ⅝ 39
    3XL 48 ⅞ 41 ¾

    🧍♀️ Women’s Activewear

    UK US EU Asian Tops / Bras Leggings / Shorts Trainers (UK/EU/US)
    4–6 0–2 32–34 S XS XS 3.5 / 36 / 5
    8–10 4–6 36–38 M S S 4–5.5 / 37–38 / 6–7.5
    12–14 8–10 40–42 L M M 6–7.5 / 39–40 / 8–9.5
    16 12 44 XL L L 8–8.5 / 41–42 / 10–11
    18 14 46 XXL XL XL 9–9.5 / 43–44 / 11.5–12

    🧍♂️ Men’s Activewear

    UK US EU Asian Tops / Hoodies Shorts / Joggers Trainers (UK/EU/US)
    S S 46 M 36–38" Chest 30" Waist 6–7 / 39–40 / 7–8
    M M 48–50 L 38–40" Chest 32–34" Waist 8–9 / 41–42 / 9–10
    L L 52 XL 42–44" Chest 36" Waist 10 / 43–44 / 11
    XL XL 54 XXL 46–48" Chest 38" Waist 11 / 45–46 / 12
    XXL XXL 56 3XL 50–52" Chest 40–42" Waist 12–13 / 47–48 / 13–14

    🧵 Fit Notes

    • Asian sizes typically run 1–2 sizes smaller than UK sizing.
    • For a performance fit, choose your regular UK size.
    • For a relaxed fit, size up.
    • Measurements are approximate and may vary slightly by fabric and style.

    Fit Tip: Some of our activewear follows Asian sizing (approx. 1–2 sizes smaller than UK). Refer to the GymBum Size Guide for accurate conversions.

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    Sports is Everything

    Reebok


    With roots dating back 130 years, Reebok is one of the most iconic and recognisable brands in fitness—and the world. Represented by icons in sports, fitness, fashion, lifestyle and music, Reebok continues to boldly move forward with authenticity, an irreverent attitude, forward-thinking innovations and a drive to inspire more people to express themselves through movement.

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    Reebok Behind the scenes

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    Product details

    Material composition
    92% Polyester, 8% Elastane
    Care instructions
    Machine Wash
    Closure type
    Pull-On
    Underwire type
    Wire Free
    Country of origin
    China

    About this item

    • REEBOK SPORTS BRAS: High-quality sports bras for women crafted to provide ultimate daily support and ensure freedom of movement. Available in two colours, black and grey marl, these womens tops are perfect for both workouts and daily wear.
    • HIGH QUALITY MATERIALS: Designed with comfort in mind, our women's sports bras are crafted from a durable blend of 92% polyester and 8% elastane. Featuring flatlock seams and moisture-wicking fabric, these sports bra for women minimise friction and skin irritation, providing the right support and confidence to enhance your fitness performance.
    • EXTREME COMFORT: Designed to ensure comfort at all times, the Reebok wireless bra moulds to your body's shape, offering a perfect fit. The soft elasticated band provides extra support and the shoulder straps helps you to improve fitness posture.
    • ELASTICATED: Featuring an elasticated, under-bust band, these running crop tops ensure a secure fit, providing stability and support during fitness activities. Wash Care: Machine wash at 30°C; do not bleach, tumble dry, iron, or dry clean.
    • SLEEK DESIGN: Thanks to its stylish racer back design, this sports bra not only offers excellent support but also pairs seamlessly with your activewear. It's perfect for any activity and can easily become one of your everyday essentials.

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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

    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
    Meet Jess — Your Daily Motivation

    Real Training. Real Results.

    Jess represents everything GymBum stands for — hard work, positivity, and consistency. Whether she’s training outdoors or smashing a session in the gym, she puts our activewear through the real test: everyday movement. If she loves it, you will too.

    Meet Chloe — Strength with a Smile

    Your Inspiration for Everyday Training

    Chloe brings energy, positivity, and real dedication to every workout. Whether she’s lifting in the gym or running Scotland’s trails, she pushes our GymBum activewear to its limits. Her natural, confident style perfectly reflects what GymBum stands for — feel good, move strong, and become the best version of yourself.

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