Thermal Clothing & Underwear

Keep yourself cosy and warm through every adventure in the great outdoors with our amazing range of thermal underwear and clothing. From thermal pants and long johns to thermal tops, singlets and more, shop our great thermal underwear range in-store or online at Anaconda today!

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What is Thermal Underwear?

Thermal underwear is base layer clothing that's worn underneath your jacket top layer to keep you warm in cold climates. Thermal clothing includes long sleeved thermal tops, t-shirts, long johns, bottoms, underwear and thermal leggings. Merino thermal fabrics are moisture-wicking and keep the body heat trapped close to the skin.

For best results, thermal clothing should be worn in a size that fits snug without being tight. Wool thermal tops and bottoms at Anaconda are produced by leading outdoor brands, with apparel designs specially created for variable weather conditions in Australia. High-quality men's clothing, women's clothing and kid's thermal clothing is available for unbeatable prices at Anaconda.

What is Thermal Clothing Made Out of?

Thermal clothing can be made out of natural or man-made materials and often includes pure Merino wool. Thermal clothing provides airflow, traps warmth in and wicks away moisture. Merino wool blend thermal wear remains popular and is the comfortable way to enjoy a cosy time, even during extremely cold weather.

Natural silk, bamboo and wool are all used in thermal clothing, with professional skiers wearing pure silk base layers to keep their body temperatures regulated whilst on the slopes. Thermal tops, long johns and base layers trap air that insulates and generates warmth. Polyester is often combined with thermal gear for additional waterproof and windproof properties.

Should I Choose Natural or Man-Made Thermal Clothing

The most common thermal base layers available are made of either wool, synthetics (like polypropylene or polyester), or a mix of both. Which fabric makes the best base layer is an age-old debate. Wool and synthetics each have their advantages and disadvantages. Blends aim to the capture benefits of each one, so it's worth visiting your nearest Anaconda store for personalising your selections.

Thermal bottoms, leggings, underwear, sleepwear and long johns are essential cold climate apparel used by professional sportspeople and casual campers every day around Australia. With New Zealand on our doorstep and the opportunity to enjoy an extended ski season, it could be time to update your thermal wear for superior comfort and warmth. Check out our guide on how to choose insulation and outerwear clothing for more helpful information.

Why Should I Choose Wool Thermal Underwear?

The days of scratchy or itchy wool clothing are long gone. Nowadays, thermal clothing is made from super soft and luxurious merino wool specifically treated for a soft, comfortable feel next to the skin. Merino wool contains antibacterial and antimicrobial properties that resist moisture absorption and odours. Merino wool and wool blend fibres stretch naturally for a form-fitting and flattering look.

Merino wool thermals provide superior insulation and don't dry as fast as synthetics, allowing the wearer to feel warmer in winter and cooler in summer. For more helpful info, we have a great guide on how to choose the right base layers to help keep you warm.

What Are the Benefits of Thermal Clothing?

  • It regulates body temperature: thermal clothing will not absorb moisture such as sweat, and any moisture generated by your skin will quickly be led away from the skin to other functional layers. It helps to stabilise your body temperature and saves your energy.
  • It always feels warm: the ability not to absorb sweat brings another indispensable feature - thermal clothing will not make you cold. It will maintain its functions and lead the sweat away while keeping you warm and dry.
  • It dries very quickly: thermal clothing will dry much more quickly than, for instance, cotton pants and shirts, which can be a real bonus in many situations.
  • It gives you freedom of movement: the thin layers of thermal clothing fit closely against the skin but do not impair your freedom of movement like a bulky jacket might do.
  • It is lightweight: thermal clothing is lightweight, which is a bonus when you are wearing it and also when you have to carry it around in your luggage.

Find the Right Thermal Underwear & Clothing at Anaconda

Anaconda is the go-to retailer for top-quality camping gear, hiking gear and thermal clothing that combat everything the Australian weather can throw at you.

Shop our entire range of thermal clothing and thermal underwear online or visit us in-store today.



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