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The Global Insight

What is Thinsulate lining

Author

John Johnson

Updated on April 03, 2026

Thinsulate is a brand of synthetic fiber thermal insulation used in clothing. The word is a portmanteau of the words thin and insulate, trademarked by 3M. … Originally designed for clothing, it later became popular as an acoustic damping material.

What is the purpose of Thinsulate?

Thinsulate insulation absorbs less than 1% of its weight in water, so it keeps you warm even in damp conditions. Thinsulate insulation is the ultimate in cold-weather performance. The attached image is a comparison of heat loss.

Is Thinsulate good for winter?

Thinsulate Insulation & Other Synthetic Insulations Thinsulate™, made by 3M™, is by far the most popular winter/snow boot insulation type and for good reason. … As such, Thinsulate is ideal insulation for footwear, gloves and hats—where bulky and heavy insulation isn’t practical.

What is Thinsulate lining in boots?

Thinsulate, similar to other synthetic insulations, traps air molecules within the microfiber. By trapping these air molecules the insulation is able to block out the entrance of the cold outside air. It also prevents heat from escaping the inside of the boots, keeping your feet nice and warm.

Is Thinsulate insulation waterproof?

3M™ Thinsulate™ Water-Resistant Insulation opens up a whole new world of warmth and comfort. Made with hydrophobic fibers for advanced water resistance, it will help keep users warm, comfortable and dry without unnecessary weight.

Is Thinsulate warm when wet?

But Thinsulate comes in several versions that are specifically designed around wet weather performance, which actually gives them an edge over PrimaLoft if you want gear that manages to stay very warm when wet. … And there’s also 3M Thinsulate Water Resistant, which is made from hydrophobic fibers.

How warm is Thinsulate lining?

Values (US units) range from 1.6 for 80-gram fabric to 2.9 for 200-gram fabric. Thinsulate is considered “the warmest thin apparel insulation” available. In fact, when equal thicknesses are compared, it provides about 1½ times the warmth of down and about twice the warmth of other high-loft insulation materials.

What does 1000G Thinsulate mean?

Thinsulate insulation comes in varying degrees, from 200G to up over 1000G, with the G standing for grams per square meter of insulation. This means that the higher the number, the more insulation is provided.

What is the warmest insulation for boots?

3M™ Thinsulate™ is a thermal insulation made from synthetic fibers that are warmer than the same amount of any natural material could be. Its thermal properties still work when wet, making it a great option for our outdoor boots and work boots.

What does 7mm neoprene mean?

if its the 7 mm, then 7mm of neoprene. the 3.5 boots are warm to temps of 40 degrees. the 7mm are warm to temps to 20 degrees.

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What is the warmest Thinsulate?

The best insulation for mild days: 80 to 100 grams of Thinsulate™ is perfect for the average winter day above 20°F (-6°C) The best insulation for cold days: 100 to 200 grams will be best on cold days below 20°F.

What does 40 gram insulation mean?

In general, 40g – 80g of insulation is considered thin loft insulation. It is on the thinner, lighter end of the insulation scale and is typically found in mid-layer pieces, or pieces that are intended to be layered. Both Arctica Heat 40 and Heat 80 are in this category.

What is the difference between Gore Tex and Thinsulate?

Thinsulate is an insulator, Gore-Tex is a outerlayer membrane that is waterproof & windproof. One thing with Gore-Tex you need to know is that you need to wash it 5 to 6 times a year, to maintain it’s waterproofing, it’s a chemical bonding process.

What is better Thinsulate or down?

Down is better for warmth whereas thinsulate provides less bulk but not as warm. Down is essentially useless when it gets wet but thinsulate still provides some warmth when wet.

Is Thinsulate fire resistant?

3M™ Thinsulate™ Flame-Resistant Insulation incorporates inherently flame resistant fibers. Specifically developed to provide warmth for garments that are designed for momentary exposure to unplanned or accidental flames, heat or electric arc. “ Money well spent.

Does Thinsulate absorb water?

The benefits of 3M™ Thinsulate™ for automotive applications include: … Resistance to moisture and mildew — Absorbing minimal moisture, 3M™ Thinsulate™ is water repellent and mold resistant, eliminating the risk of odor and obviating the need for additional waterproof layers.

How warm is 600g Thinsulate?

Most winter boot manufacturers claim that a 200g Thinsulate boot will keep you warm down to 20 below zero Fahrenheit, a 400g one will keep you warm down to 40 below zero Fahrenheit, and a 600g boot, down to 60 below zero Fahrenheit.

How warm is 400g Thinsulate?

For instance, a rated 400g can keep your feet warm down to 30 or 40°F (-1.1 to 4.4°C), while 800g should keep you warm down to closer to 20°F (-6.7°C), assuming you are at least lightly active.

How warm is 80g Thinsulate?

So, it is 80g of 3M Thinsulate Featherless that is used in certain Carhartt jackets where you can expect it to keep you warm in temperatures around 20 degrees Fahrenheit.

How do you use Thinsulate fabric?

Put a barrier of warmth between you and the elements by adding a layer of Thinsulate in between your outer fabric and your lining. Sew this as an interlining. Use your lining pattern pieces to cut the Thinsulate, then stitch the Thinsulate to the lining before sewing to the outer fabric.

Is PrimaLoft a polyester?

PrimaLoft is a registered trademark of PrimaLoft, Inc., the brand’s parent company. … In 2007, PrimaLoft introduced a product extension of yarn. The yarn is 100% polyester or 45% polyester fibers and 55% merino wool and is used in socks, sweaters, base layers, and accessories intended mainly for outdoor wear.

Which PrimaLoft is warmest?

PrimaLoft® Gold Insulation – the highest performing synthetic insulation available. The ultimate in warmth-to-weight available in a synthetic is coupled with incredible packability and softness that mimics goose down, all with excellent water-repellency for wet-weather protection.

Is Thinsulate hot in the summer?

Is 400g Of Thinsulate Hot For The Summer? Yes, 400g of insulation is a little excessive for the summer months, but they are ideal for mild winters or the fall season.

Is shearling warmer than Thinsulate?

Each pair is designed for something different: the Thinsulate version features extra insulation and therefore more warmth; The Gore-Tex/Thinsulate pair offers that same insulation as well as a special lining that’ll keep your feet dry and comfortable in extremely wet weather; and the Shearling-Lined boots are probably

What does 100 gram insulation mean?

The thickness of synthetic insulation is usually expressed as grams per square meter (note that this is NOT a measure of the total weight of the insulation in a jacket). So, a jacket with 200g insulation is going to be thicker and warmer than a comparable jacket with 100g insulation.

What is 600g insulation?

600g insulation weighs 600 grams per square meter, which is the standard method of measurement for boot insulation. Similarly, 400g insulation weighs 400 grams per square meter, and 200g insulation weighs 200 grams per square meter.

How warm is 6mm neoprene boots?

The 6mm neoprene will keep your feet warm all day. Comfort Rated of Standard Style Boots: -4°F/-20°C to 59°F/ 15°C.

What is 200g insulation in boots?

The majority of our winter hiking boots and work shoes and boots offer 200g of insulation. This amount provides a barrier between you and the chill without adding too much bulk. It’s ideal for a higher level of activity, like hiking.

What does 5.4 3 wetsuit mean?

A 5/4/3 wetsuit combines three different neoprene thicknesses: 5mm torso – 4mm legs – 3mm arms. 6/5/4 mm. 8ºC & below. 5/4/3 mm.

Can you swim in a 5mm wetsuit?

It will need to be between 3-5mm. However, it is likely to be very suitable for what we do; exploration swimming in places where there might be rocks to negotiate on entry or exit rather than gravel ponds or sandy beaches. The 5mm suits are warmer. … Comfort – In order to swim in a wetsuit, it needs to be comfortable.

What does 5mm neoprene mean?

A 5/3 mm, also called a 5.3 or 5mm is a common winter wetsuit thickness. Similar to a 4/3, the thicker 5mm panels are used in the main body panels for extra warmth and the 3mm thick panels are used in the more flexible areas such as arms, shoulders and back lower legs.