2 Pack Men's Thermal Underwear Set

2 Pack Men's Thermal Underwear Set

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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 Underwear Set

    Stay warm and comfortable no matter the weather with the Heatwave® Pack Of 2 Men's Thermal Underwear Set. This comprehensive set includes a long sleeve top and long johns, designed to provide optimal warmth and comfort during any outdoor activity. Whether you're running, hiking, or working outside, this thermal underwear set is your go-to base layer for ultimate insulation and durability.

    Key Feature 1: Advanced Insulating Yarn

    Description: The Heatwave® thermal underwear set is crafted from an advanced insulating yarn, providing a high-performance level of insulation. The inner layer is brushed softly to hold more warm air close to the skin, delivering a 0.45 tog rating.

    Benefits: This feature ensures you stay warm in the coldest conditions, making it perfect for outdoor activities and workwear. The advanced yarn construction traps heat effectively, allowing you to stay active without compromising on comfort.

    Key Feature 2: Comfort Fit & Ribbed Construction

    Description: The ribbed construction of the thermal set shapes to the contours of your body, providing a snug yet flexible fit. The tops are designed to be side seam-free for added comfort, and the long johns come with an open fly for convenience.

    Benefits: The ergonomic design enhances comfort during prolonged wear, reducing friction and irritation. The fitted design ensures better heat retention and allows for a full range of motion, making it ideal for sports and physical activities.

    Key Feature 3: Durable Material Blend

    Description: Made from a blend of 50% polyester and 50% cotton, this thermal set combines the best properties of both materials. Polyester provides durability and moisture-wicking capabilities, while cotton offers softness and breathability.

    Benefits: The durable construction ensures long-lasting wear, even with frequent use. The moisture-wicking properties keep you dry and comfortable, making it suitable for various strenuous activities.

    Sizes

    • Small: Top (Chest Size) 34-36” : Long John (Waist Size) 29-32”
    • Medium: Top (Chest Size) 37-39” : Long John (Waist Size) 33-35”
    • Large: Top (Chest Size) 40-42” : Long John (Waist Size) 36-38”
    • X-Large: Top (Chest Size) 43-45” : Long John (Waist Size) 39-42"
    • XX-Large: Top (Chest Size) 46-48” : Long John (Waist Size) 43-45”

    Note: All sizes are approximate.

    Colours Or Style Options

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

    Care Guide

    To maintain the quality and longevity of your Heatwave® thermal underwear set, follow these care instructions:

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

    Why Choose This Product

    Opt for the Heatwave® Pack Of 2 Men's Thermal Underwear Set for unbeatable warmth, comfort, and durability. Unlike other thermal sets, Heatwave® uses advanced insulating yarns and a unique ribbed construction to ensure maximum heat retention and a perfect fit. Our customers rave about the comfort and performance, making it a trusted choice for outdoor enthusiasts and workers alike. Experience the difference with Heatwave® and stay warm all winter long.

    Additional Information

    Usability: Perfect for a variety of uses, including outdoor running, hiking, sports, and workwear. Its versatile design also makes it suitable for everyday wear during colder months.

    Warranty and Support: Heatwave® offers a satisfaction guarantee with a comprehensive return policy. Our customer support team is always ready to assist with any queries or concerns, ensuring you have a seamless shopping experience.

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