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Men’s Double-Sided Fleece Thermal Base Layer Set | Winter Warm Seamless

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Product Details

Stay Warm Without the Bulk

This men’s thermal underwear set is designed for cold days when you need warmth, comfort, and freedom to move. Made with a soft double-sided fleece interior, it traps heat close to your body while staying light and breathable. The seamless construction reduces friction, making it perfect for all-day wear under your clothes. Whether you’re heading outdoors or just relaxing at home, this base layer keeps you comfortable without feeling heavy or restrictive.

What Makes This Thermal Set Special?

This set stands out because it combines warmth, hygiene, and comfort in one smart design. The fabric features a 5A antibacterial finish that helps reduce odor, even after long hours of wear. It’s also static-resistant, so you won’t feel that annoying cling when layering under jackets or sweaters. With its smooth, stretchable material, it fits close to your body like a second skin, giving you warmth without bulk.

Perfect for Cold Weather Comfort

This thermal underwear set is best used during fall and winter. It’s ideal for outdoor activities like hiking, camping, fishing, skiing, or daily commuting in cold conditions. It also works great as cozy indoor wear on chilly nights. The 260g/㎡ fabric thickness provides dependable insulation while still allowing airflow to prevent overheating.

Key Product Features

  • Double-sided fleece lining for extra warmth and soft touch.
  • 5A antibacterial technology helps keep you fresh and odor-free.
  • Static-resistant fabric prevents clinging and discomfort.
  • Seamless design for smooth, irritation-free wearing.
  • Stretch material made from polyester and spandex for flexibility and a close fit.
  • Elastic waistband for all-day comfort and easy movement.
  • Full-length sleeves and pants for full-body coverage.

Why You’ll Love Wearing It

  • Keeps your body warm without feeling bulky.
  • Feels soft and comfortable against your skin.
  • Moves with your body during any activity.
  • Great for layering under jeans, workwear, or winter jackets.
  • Helps reduce sweat odor for longer wear time.

Upgrade Your Winter Essentials

If you’re looking for thermal underwear that delivers reliable warmth, modern comfort, and long-lasting freshness, this set is the perfect choice. It’s built for everyday wear and tough enough for outdoor adventures. Don’t let cold weather slow you down. Add this thermal base layer to your wardrobe today and enjoy warmth you can feel from the first wear.

Size Chart

Size Pant Length Waist Hip Leg Opening
cm inch cm inch cm inch cm inch
L 94 37.0 70 27.6 91 35.8 24 9.4
XL 96 37.8 74 29.1 95 37.4 25 9.8
XXL 98 38.6 78 30.7 99 39.0 26 10.2
XXXL 100 39.4 82 32.3 103 40.6 27 10.6
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Shipping & Payment

Shipping

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 5-20 Business days
Canada, Europe 5-20 Business days
Australia, New Zealand 5-20 Business days
Central & South America 5-20 Business days
Asia 5-20 Business days
Africa 5-20 Business days
*This doesn’t include our 1-3 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

Returns

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.

Refunds

Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time (45 days not including 1-3 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside of our control (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside of our control.

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message at support@sellvia.com

Exchanges

If for any reason you would like to exchange your product, perhaps for a different size in clothing, you must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.

Refunds & Returns

Refunds, returns, and exchanges

In the event that your order arrives damaged in any way, please email us as soon as possible at support@sellvia.com with your order number and a photo of the item’s condition. We address these on a case-by-case basis but will try our best to work towards a satisfactory solution.

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