4,7/5 Excellent

Thermal Functional Underwear for Men

$85.95 $59.95 Save 30%

Shipping calculated at checkout.

Free Shipping Within the U.S.
30 Days Money-Back Guarantee
Buy 2 get 10%, buy 4+ get 20%

Color — Black

Black

Size chart

Size guide (US sizing)

Size	Women (US)	Men – chest
S	4–6	35–37 in
M	8–10	38–40 in
L	12–14	41–43 in
XL	16	44–46 in
XXL	18	47–49 in

Fit can vary by style — check the product details, or email info@mysa-miami.com and we'll help you choose.

In stock, ready to ship
Backordered, shipping soon

Stay warm and comfortable during winter activities with this Thermal Functional Underwear. Designed for optimal performance, it's perfect for skiing, snowboarding, or any cold-weather outdoor adventures.

✔ Seamless design eliminates side seams for a smooth fit
✔ Breathable material regulates temperature and wicks moisture
✔ Functional zones provide targeted support and comfort
✔ Soft and skin-friendly fabric ensures all-day wearability
✔ Available in a complete set for top-to-bottom warmth

Details:

Material: High-quality synthetic blend
Fit: Body-hugging, seamless
Design: Long-sleeve top and full-length bottom set
Care Instructions: Machine washable
Available Sizes: S, M, L, XL, XXL
Color: Black

Why choose this set?
This thermal underwear set offers seamless construction and breathable fabric, making it ideal for layering under your outerwear. Its functional design ensures you stay warm and dry during your winter activities.

We offer free standard shipping on orders delivered within the United States.

Processing: 1–3 business days (Monday to Friday)
Delivery: approximately 5–7 business days after dispatch
Total: approximately 6–9 business days

Orders are shipped with established carriers such as DHL, FedEx and UPS. You'll receive a shipping confirmation email with tracking information when available. Read our Shipping Policy.

Mysa Miami accepts eligible returns requested within 30 calendar days of the date your order is delivered.

Items should be unused and in the condition received
Include original packaging, tags and accessories
Include proof of purchase or your order number

To start a return, email info@mysa-miami.com. Read our Return & Refund Policy.

Our items use US sizing. Available sizes are listed in the size selector above and in the product details.

Unsure about your fit? Email info@mysa-miami.com and our team will help you choose the right size.

{"id":64082813747549,"title":"Black \/ M","option1":"Black","option2":"M","option3":null,"sku":"H9551","requires_shipping":true,"taxable":false,"featured_image":{"id":82599132627293,"product_id":16061012902237,"position":2,"created_at":"2026-04-03T12:00:04-04:00","updated_at":"2026-04-11T05:55:40-04:00","alt":null,"width":1020,"height":1020,"src":"\/\/mysa-miami.com\/cdn\/shop\/files\/Creatives800x800_21.png?v=1775901340","variant_ids":[64082813747549,64082813780317,64082813813085]},"available":true,"name":"Thermal Functional Underwear for Men - Black \/ M","public_title":"Black \/ M","options":["Black","M"],"price":5995,"weight":0,"compare_at_price":8595,"inventory_management":"shopify","barcode":null,"featured_media":{"alt":null,"id":71507776209245,"position":2,"preview_image":{"aspect_ratio":1.0,"height":1020,"width":1020,"src":"\/\/mysa-miami.com\/cdn\/shop\/files\/Creatives800x800_21.png?v=1775901340"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}

This season shop more, save more.

For one day only, our Mysa Miami Circle gets exclusive access to our Biggest Sale Ever on our most-loved pieces.

Whether you're treating a daughter, a sister, or yourself, today is the moment to secure the styles everyone has been asking about.

Buy 2 items → Extra 10% off
Buy 3 → Extra 15% off
Buy 4 → Extra 20% off

These bundles are end-of-season-exclusive and live for today only once this offer ends, it won't return. And as always with Mysa Miami... when a style sells out, it's gone for good.

Stock is limited. Today is the day.

30-Day Returns

If something isn't quite right, return it within 30 days of delivery. We make it simple because your satisfaction matters.

Free U.S. Shipping

Every order comes with free standard delivery anywhere in the United States, no minimum spend required. Your items are packaged with care so they arrive safely at your door.

Customer Support

Enjoy peace of mind knowing our dedicated customer support team is ready to assist with any question or concern to make your experience truly seamless.