Peak Performance Women’s Tee

Peak Performance Women’s Tee

Engineered with purpose. Worn with confidence

Regular price £29.50 GBP
Regular price Sale price £29.50 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 – Peak Performance Women's Tee

    Designed for movement and built for everyday performance, the Peak Performance Women’s Tee delivers lightweight comfort with the durability needed for serious training. Crafted from breathable polyester mesh, it allows air to circulate freely while helping regulate body temperature during intense workouts.

    QuickDry moisture-wicking fabric helps pull sweat away from the skin, keeping you cool, dry, and focused whether you're powering through cardio sessions, strength training, or staying active throughout the day.

    The relaxed athletic fit provides unrestricted movement, while the extended length offers reliable coverage during lifts, stretches, and dynamic training. Lightweight yet durable, this tee is engineered to maintain its shape and colour through repeated training sessions and washes.

    Finished with clean GymBum styling and performance-focused construction, the Peak Performance Women’s Tee balances comfort, durability, and athletic performance for training and everyday wear.

    Reach for the Summit.


    Why You'll Love It

    • Breathable polyester mesh helps regulate body temperature during workouts
    • QuickDry moisture-wicking fabric keeps you cool and comfortable
    • Relaxed athletic fit for unrestricted movement
    • Extended length for improved coverage during training
    • Lightweight construction designed for all-day comfort
    • Durable fabric built to maintain shape and colour over time


    Performance Fabric

    • 100% breathable polyester mesh
    • Fabric weight: 4.13 oz./yd²
    • Lightweight performance construction
    • QuickDry moisture-wicking technology


    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


    Performance & Fit

    The Peak Performance Women’s 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 dynamic training movements.

    The extended length ensures reliable coverage during squats, stretches, and overhead exercises.


    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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    FREE UK Shipping on Orders £50+

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    FREE UK Shipping on Orders £50+

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    Official GymBum UK® — Registered Brand