M-Tac Thermal Underwear Set for Men Base Layer Fleece Lined Top & Bottom Ultra-Soft


  • Material: Two-component fleece fiber 85% polyester 15% spandex - effectively removes moisture from the skin, provides a warming effect while keeping the body dry
  • Ultimate thermal retention, set of long sleeve thermal shirt and bottoms for extreme cold weather
  • Compression design, four way stretch warm wear provides complete freedom of movement and keeps your body looking slimmer and sexy
  • Second skin, use as base layer cold weather mens thermal gear for active sports hiking bike morcycle cycling snowboard skiing or military & tactical games or hunting and fishing
  • Washing instructions - hand wash, line dry, don't use bleach don't use dryer



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Thermal underwear Thermoline from M-Tac is a 1-st Basic layer in terms of ECWCS, sometimes is also called "second skin".
Underwear set consist of Top and Bottom and is perfect for everyday use, winter sports and any kind of physical activity during cold season

► Temperature for comfortable use is t 32F and colder.
► Material: 85% Polyester and 15% Spandex
► Two-component fiber "Coolmax Core nap" is silky (smooth) outside and fleecy inside - easy to wear next level of cloth, pleasant to the body
► Fabric is wicking moisture and drying much faster than any other material
► Underwear is elastic - provides perfect fit
► All seams are flat-lock for high comfort when wearing - eliminates rubbing and pressing with seams
► Top with crew neck and long sleeve has inserts of breathable perforated tissue, providing additional thermoregulation.

Depending on the degree of anticipated activity, this thermal underwear can be worn
either as standalone or in combination with other layers of thermal clothing, allowing you to achieve perfect level
of comfort and thermal regulation.

This thermal underwear will be an excellent option for everyday wear on cold weather, not only for athletes but also for everyone,
who likes practical and quality things.

SIZE CHART < == We recommend to order one size up from your regular size

  • Is Discontinued By Manufacturer: No
  • Package Dimensions: 11.3 x 11.1 x 2.67 inches
  • Date First Available: January 5, 2018
  • ASIN: B078TP7VQ3
  • Amazon Best Sellers Rank: #474,701 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry)
    • #178 in Men's Thermal Underwear
    • #151437 in Men's Shops

    I'm one of those people who is cold all the time. Winter is the worst, because I live in an old cold farm house. These are great! I put them on as soon as they arrived, and continued wearing them day and night for about 4 days. Now I realize I will have to buy another pair or two. The fit and stretch is superb, and they are very comfortable. Although they are marketed for men, I am a woman and my husband thinks they look very attractive on me. He loves them too. :)

    Another fun feature: you can't exactly tell what color they are. In some lighting situations, they look green. At other times they look completely brown or black with no hint of green.

    I highly recommend this product, though I haven't seen what they are like after a few washings. They will make great gifts, or just get them for yourself. I love them!

    Snug fit, very comfortable, worked perfectly for a full day of skiing in 20F weather. Probably could be used in much colder temperatures. The only thing I didn’t really like is the waist band on the pants is very small and tended to roll down, where a thicker (taller) waistband may not. They worked great for wicking away sweat too. These are medium weight material, not paper thin like some of the cheap Chinese ones.

    Love the price point too, all the comfort you want without the brand royalties and expenses.

    I went on an Alaskan cruise. On my excursion, I walked one of the glaciers, after receiving a helicopter ride to the location.
    I was lightly layered (only a pair of Jean's outer and a light jacket) and very comfortable and warm, with total flexibility. This set is genius.
    I honestly didn't feel the cold.

    I'm about 5'11'' and 190lbs, bout the XL. The bottoms fit well and length came to my ankles, top was a little big. If you are tall, over 6 feet, the XL will be a little short on you, as some have indicated.

    I wore these skiing with ave. day temp about 20-25 degrees, at night went to 12-15 degrees. I was never cold, only my feet and hands at times, which is about normal in my experience. In addition to the thermals I also wore an Under Armour mid layer plus ski pants, ski jacket. In years past I wore the same thing, but with cotton thermals, these were much warmer for sure.

    Two days later I was skiing again and the ave. temp. was about 30-35 degrees and sunny day. I was very warm, then by noon I was dying of heat and had to take them off.

    I've tried many thermals in my lifetime, but these have been the most comfortable, bet fitting, and warmest. They seem well constructed and only time will tell how they will hold up. But, after a couple months of use, I'm still very happy.

    I just received this item and it seems to be well made, however, both the top and bottoms are really small even for a size XL. I'm 6' 1'', and 215 lbs. I really was looking forward to using this, but that will not be happening because of the small size. Everything is not lost though, this set does fit my wife really well who is 5' 4'', and 115 lbs.

    Product is very warm, comfortable, soft and well crafted. Just listen to the instructions and order 1 size bigger than your usual. I’m 5’11” 185lbs and the XL fits perfect.

    Ordered up a size as recommended in other reviews and it fits fine, I'm 6'2" 235 38" waist and bulky ordered 2x.

    Very soft and comfortable on the inside, feels like it will make a very warm base layer; have a cold day in the forecast we'll see.

    Only complaint is lack of a functional fly.

    *Update - just tried them out in 35 degree farenheit, was sweating while everyone around me was shivering... I cannot recommend these enough.