2 Pack Men's Thermal Underwear

2 Pack Men's Thermal Underwear

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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.

    Heatwave® Pack Of 2 Men's Thermal Trousers Long Johns

    The Heatwave® Pack Of 2 Men's Thermal Trousers Long Johns is designed to be your ultimate companion for cold weather. These durable and warm underwear baselayers are perfect for active outdoor activities such as running, hiking, and sports. What sets these thermal long johns apart is their advanced insulating technology and comfort-driven design, making them a must-have for anyone looking to stay warm and comfortable during chilly conditions.

    Key Feature 1: Advanced Insulating Yarn

    Description: These thermal trousers boast a 0.45 tog rating, which means they hold more warm air close to the skin. The inner layer is soft-brushed, made from advanced insulating yarn that offers high performance insulation.

    Benefits: The advanced insulating yarn provides exceptional warmth, making these long johns ideal for extremely cold weather. This feature is particularly beneficial for outdoor enthusiasts and those working in cold environments.

    Key Feature 2: Comfort Fit

    Description: The ribbed construction of these thermal trousers shapes to the contours of your body, providing a comfort fit that is both snug and flexible. The design also includes an open fly for added convenience.

    Benefits: The comfort fit ensures that the long johns move with you, providing unrestricted mobility during physical activities. The open fly adds an extra layer of convenience, especially for those on the go.

    Key Feature 3: Versatile Material Blend

    Description: Made from a 50% polyester and 50% cotton blend, these thermal trousers offer a balanced mix of durability and comfort. The material is designed to withstand regular wear and tear while maintaining softness.

    Benefits: The material blend ensures longevity and comfort, making these long johns a practical choice for daily wear. The durability of the fabric is particularly useful for those who engage in active or demanding outdoor activities.

    Sizes

    • Small - Long John (Waist Size) 29-32”
    • Medium - Long John (Waist Size) 33-35”
    • Large - Long John (Waist Size) 36-38”
    • X-Large - Long John (Waist Size) 39-42”
    • XX-Large - Long John (Waist Size) 43-45”

    *All sizes are approximate

    Colours Or Style Options

    • White
    • Blue
    • Charcoal
    • Black
    • Navy
    • Grey

    Care Guide

    • Machine washable at 40°C
    • Can be tumble dried
    • Wash dark colours separately

    Why Choose This Product

    The Heatwave® Men's Thermal Trousers Long Johns are a superior choice for anyone looking to stay warm and comfortable in cold conditions. With advanced insulating yarn, a comfortable fit, and a durable material blend, these long johns are designed to offer maximum performance. Don't just take our word for it; our customers have praised the exceptional warmth and comfort these thermal trousers provide. Choose Heatwave® for quality, reliability, and unmatched value.

    Additional Information

    Usability: Perfect for a variety of activities including outdoor running, hiking, sports, and even as workwear. These thermal trousers are versatile enough to be used in numerous real-life scenarios where warmth and comfort are essential.

    Warranty and Support: Comes with a satisfaction guarantee. Customer support is available for any queries or issues, and return policies are in place to ensure you are completely satisfied with your purchase.

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