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Description
When the bitter cold weather hits and wrapping up with hats, gloves and coats aren’t enough you need something better suited for the job of keeping you warm. These Men’s Performance Layer Thermal Tops are ideal at keeping warm air close to the skin.
With an easy fit design to go under your clothes for a smooth slim-fitting thermal base layer for the colder days where one layer isn't enough! WIth 3 different types of thickness: Warm, X-Warm & XX-Warm you have plenty of choice to pick the right amount of warmth for you.
The technical construction of this thermal underwear, along with its supportive fit, have been designed so that it effortlessly shapes and works with your body's natural contours, providing the best fit possible - making it hardly noticeable under your clothing. The base layer is made of a lovely soft fabric, which helps to add that extra bit of warmth and makes it extremely soft for added comfort to the garment.
This thermal underwear crew top comes in one colour: Black, Available in 5 sizes: Small, Medium, Large, X-Large & XX-Large, all with the 3 different thicknesses available. There are matching long johns also available in separate listings. We even offer ladies sizes/colours as well.
Extra Product Details
Men’s Performance Top
Thermal Underwear Base Layer
Super soft & comfortable
Technical construction
Supportive Fit
Seamless body
Extra warm
5 Sizes Available
3 Different Thicknesses
Matching Long Johns Available
- Original/Lite - 100% Polyester
- Ultra Lite - 84% Polyester, 16% Elastane
Shipping & Delivery
Shipping & Delivery
Delivery is free on all UK orders over £50.
For UK orders under £50, and for international destinations, delivery costs are calculated at checkout before payment.
Standard tracked shipping usually takes 7–12 days unless a product page or checkout shows a different estimate.
You will receive tracking details by email as soon as your order has been dispatched.
Returns & Exchanges
We want you to be fully satisfied with your B&G purchase. If something doesn't feel right, you can request a return.
Return period
You can request a return within 30 days from the date you receive your order, as long as the items are unused, unwashed and with all original tags attached.
How to request a return
Send us an email at support@blegant.com with your order number and the items you wish to return. We'll reply with further instructions and the return address.
Conditions
- Items must be in original condition: unworn, unwashed and free of stains, odours or damage.
- For hygiene reasons, underwear and socks cannot be returned unless faulty.
Refunds
Once your return is received and inspected, we'll process your refund to the original payment method. Depending on your bank or payment provider, it may take a few working days for the refund to appear in your account.
Size guide

Find your best fit with the B&G size guide. Measurements can vary slightly by brand, so always check the size selector on each product page before ordering.
Women's clothing: UK 6 = XS, UK 8 = S, UK 10 = S/M, UK 12 = M, UK 14 = L, UK 16 = XL, UK 18 = XXL.
Men's clothing: S = 36-38 in chest, M = 38-40 in, L = 40-42 in, XL = 42-44 in, XXL = 44-46 in.
Footwear: use your usual UK size. If you are between sizes, check the product notes and choose the larger size for boots or trainers.
Fit tips: for fitted styles, choose your usual size. For a relaxed everyday look, size up. If you need help before ordering, email support@blegant.com and we'll be happy to help.