GymBumUK Rainforest Windbreaker

GymBumUK Rainforest Windbreaker

Engineered with purpose. Worn with confidence

Regular price £43.99 GBP
Regular price £55.99 GBP Sale price £43.99 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.

    The Rainforest Windbreaker delivers reliable weather protection with distinctive visual design. Lightweight, water-resistant fabric effectively shields against wind and moisture while maintaining breathability for sustained outdoor activity. The adjustable hood provides customizable coverage and fit, complemented by elasticated cuffs that secure comfort at the wrists. Strategically positioned zippered pockets offer secure storage for personal items during training or outdoor pursuits. The vibrant rainforest pattern provides aesthetic distinction while maintaining functional integrity across diverse applications. The jacket's lightweight construction enables easy portability without compromising durability, making it an efficient layering solution for outdoor training, gym sessions, and casual wear. The design balances practical weather protection with contemporary visual appeal, delivering reliable performance across varied environmental conditions. This windbreaker prioritizes both technical functionality and refined aesthetic presentation, offering dependable protection and enduring style for individuals seeking quality construction in their outerwear selection.

    Size guide

      CHEST (inches) LENGTH (inches) SLEEVE (inches)
    XS 21 28 25 ½
    S 22 28 ¾ 26
    M 23 29 ½ 26 ¼
    L 24 30 ¼ 26 ¾
    XL 25 31 27
    2XL 26 31 ¾ 27 ½
    3XL 27 32 ½ 28
      CHEST (cm) LENGTH (cm) SLEEVE (cm)
    XS 53.3 71.1 64.8
    S 55.9 73 66
    M 58.4 75 66.7
    L 61 76.8 68
    XL 63.5 78.7 68.6
    2XL 66 80.7 69.9
    3XL 68.6 82.6 71.1

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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

    FREE UK Shipping on Orders £50+

    Order Before 3PM — Same-Day Dispatch

    Official GymBum UK® — Registered Brand