Skip to content Early Black Friday Sale
Customer Customer Customer Customer Customer
Loved by our customers
★★★★★
★★★★★
4.8 (385 reviews)
82 viewed today
193 bought this month

Men's Thermal Base Layer Set – Fleece-Lined Long Johns & Top for Cold Weather | Thomler

$39.95

Free Shipping
30-Day Returns
Buy 2, Save 10% · Buy 3+, Save 15%
Size:
In-store Not available
Online Almost sold out
Visa Mastercard American Express Maestro Google Pay Apple Pay
Complete your order within --:--:-- to keep this price
Money-Back GuaranteeShop risk-free
Free US Delivery
3-Year GuaranteeQuality assured
30-Day ReturnsHassle-free

Stay Warm Through Every Winter Activity

This men's thermal base layer set delivers serious insulation without bulk. The fleece interior traps body heat close to your skin, while the stretchy knit outer layer moves with you—whether you're hitting the slopes, hiking mountain trails, or just layering up for a cold commute. The two-piece design (long-sleeve top and long underwear pants) fits snug against your body for maximum warmth and moisture control. Designed for men who refuse to let freezing temperatures slow them down.

Why You Need This

  • Soft Fleece Lining: Brushed interior holds warmth right where you need it, keeping you comfortable in sub-zero conditions.
  • Four-Way Stretch Fabric: High-elasticity knit moves naturally with your body, never restricting motion during sports or outdoor work.
  • Knit Construction: Breathable yet insulating—wicks moisture away while maintaining core temperature.
  • Versatile Use: Perfect as ski underwear, workout base layer, hiking gear, or everyday cold-weather clothing.
  • Complete Two-Piece Set: Top and bottom coordinate perfectly, eliminating gaps and keeping your entire torso and legs protected.
  • Easy Care: Hand-washable polyester blend dries quickly and resists odor buildup after active wear.

Built for Real Winter Performance

Whether you're carving down a mountain, shoveling snow, or working outdoors in frigid temperatures, this thermal set provides the foundation your winter wardrobe needs. The 95% polyester fiber construction balances insulation with breathability, so you stay warm without overheating during high-intensity activities. The stretchy fit slides easily under jeans, snow pants, or athletic wear. Hand wash to maintain the fleece softness, and enjoy season after season of reliable cold-weather comfort. Free shipping across the US and a 30-day return window mean you can test it risk-free this winter.

Type: Two-piece thermal base layer set (long-sleeve top and long underwear pants)

Material: 95% polyester fiber (knit construction with fleece lining)

Gender: Men's

Care Instructions: Hand wash only, do not dry clean

Fit: Stretchy, close-fitting base layer design

Free shipping across the United States — always, with no minimum order.

Every order is carefully packed and sent with Track & Trace, so you can follow your package every step of the way.

Order today? We ship the next business day.

Not completely happy? You have 30 days to return your purchase.

On top of that, we offer a 3-year warranty against manufacturing defects — your investment is in good hands.

1
Start your return Email us at info@thomler.com with your order number and reason for return.
2
Send it back Pack the item carefully and ship it to our return address.
3
Get your refund Once we receive it, we process your return and refund you within 5 business days.

Made for everyday

Practical pieces you’ll actually use.

Quality first

Chosen for quality you can feel.

Men's Thermal Base Layer Set – Fleece-Lined Long Johns & Top for Cold Weather | Thomler
Men's Thermal Base Layer Set – Fleece-Lined Long Johns & Top for Cold Weather | Thomler Sale price$39.95
Visa Mastercard American Express Maestro Google Pay Apple Pay
THE THOMLER EXPERIENCE

What Our Customers Say

Discover what makes THOMLER special.

The fleece lining actually keeps me warm on early morning runs without feeling bulky underneath.

Perfect fit under my ski pants, no riding up or bunching at all.

Finally found thermal underwear that doesn't itch after a few hours of wear.

Wore these hiking in Colorado last month and stayed comfortable even when temperatures dropped below freezing. The stretch fabric let me move freely without any restriction, and moisture management was solid throughout the day.

I work construction outdoors in winter, and these have become my go-to base layer. They layer well under my regular clothes for the commute, and I can strip down to just this when I'm active on the job site without overheating.

Grabbed these for my husband's backcountry ski trip, and he said they outperformed his old expensive set. Hand washing keeps them in great shape, and he's already worn them multiple times this season without any pilling or loss of softness.

Featured in

As seen in

Yours, the moment we pack it

  • Hand-packed with care
  • Checked before it ships
  • Arrives exactly as pictured
#THOMLER

Straight From Your Camera Roll

Customer photo Customer photo Customer photo Customer photo Customer photo Customer photo
Tag us to get featured — #THOMLER
Curated For You

You May Also Like

The Thomler team
Real people, real support

A note from our team

Shopping for your home shouldn't feel like a gamble.

Too many products look great online and disappoint when they arrive. That's why we only pick pieces we'd happily put in our own homes.

Not right for you? Send it back within 30 days, no hassle. And when you email us, a real person from our small team answers.

The Thomler Team

Free
shipping
30-day
returns
Reply within
24 hours
Need To Know

Frequently Asked Questions

How much is shipping?
Shipping is free across the United States — on every order, with no minimum.
When will my order ship?
Orders placed today are dispatched the next business day. You'll get a tracking link by email as soon as it's on the way.
What's your return policy?
Not happy? You can return your item within 30 days. Just email us and we'll walk you through it.
Is checkout secure?
Yes. Every order is protected with SSL-encrypted checkout, and you can pay with all major cards, Apple Pay, Google Pay, Shop Pay and PayPal.
Can I track my order?
Absolutely — the moment your order ships, we email you a tracking link so you can follow it every step of the way.
My item arrived damaged or wrong — what now?
We're sorry! Email info@thomler.com with your order number and a photo, and we'll make it right.
Are your products backed by a guarantee?
Yes. Every product is covered against manufacturing defects, and comes with our money-back guarantee if it's not right for you.
Can I change or cancel my order?
Yes — you can change or cancel within 6 hours of placing your order. Just email info@thomler.com and we'll take care of it.