Sherpa Lined Thermal Leggings

Regular price$69.95
Tax included. Shipping calculated at checkout.

  • In stock, ready to ship
  • Inventory on the way

Our new release Sherpa Lined Thermal Leggings offer warmth, comfort and flexibility. These leggings are made with thermal performance fabric that stretches for a secure fit, while its high waisted design allows for a full range of motion without riding down. Designed for cold temperatures, with a super-soft short pile sherpa lining is thick without being bulky so you'll stay warm in style.

Note for sizing - These leggings can fit a range of sizes which are indicated on the sizing tags. They are not a compression legging. They are soft and comfortable, with a thick but flexible fabric. 

What are Thermal Theory clothes made from?

Our Premium Sherpa Collection is made from a dual-layer thermal tech fleece.

The outer layer consists of :

  • 70% Cotton, 25% Polyester, 5% Spandex
  • Cotton provides breathability and softness, the polyester aids against pilling and colour fading, and the Spandex gives the material some elasticity which keeps its shape.

The inner layer/lining consists of :

  • Premium brushed sherpa fleece (Polyester)
  • This product will not pill or clump together like cheaper brands and will retain it's soft fluffy texture, even after multiple washes.

Other features:

  • 550gsm fabric. This is premium heavyweight!! GSM stands for grams per square metre, which refers to the weight of a fabric. In general, the higher a fabric's GSM, the thicker and more hard-wearing it's likely to be. eg. a T-shirt is usually less than 150gsm.
  • Windproof weave. Due to the density of the fabric it provides a unique windproof layer which adds to the thermal properties and keeps you warm.
  • 12+ TOG rating . This is made for low temperatures. TOG stands for 'Thermal Overall Grade". This is the measurement of the fabrics ability to retain and trap heat. The higher the TOG value the warmer your clothing will be.

How do I care for my purchase(s) when it needs to be washed?

Please follow our care instructions to ensure your clothing stays in it's best possible condition. Failure to do so may cause damage to the material.

  1. Program washing machine to a cold water wash. 
  2. Use a sensitive/gentle wash cycle.
  3. Use a gentle laundry detergent. Do not bleach.
  4. Do not use fabric softener.
  5. Dry on a flat surface and turn inside out to check inner layer has dried too.
  6. Can be finished in the dryer on low temp.

*If desired the material can also easily be washed by hand. Follow the same instructions #3 to #6.


Our parcels our delivered by Australia Post. You will receive a tracking number via email once your order is dispatched.

Shipping rates 

Free shipping on all orders over $150 Free
Standard Shipping (0 - 0.99kg) $10
Standard Shipping (1 - 5kg) $15
Express Shipping (0 - 0.99kg) $15
Express Shipping (1 - 5kg) $20


Any items ordered online will be be shipped the same day if the order is placed before midday*. Any orders received on weekends will be dispatched on Monday.

*If there are extenuating circumstances which delay dispatch you will be notified via email.

We cannot guarantee shipping times. Please refer to the Australia Post 'DOMESTIC DELIVERY TIMES' for the most up to date information.

Pick Up

Pick up may be arranged on Kangaroo Island or in the Adelaide Hills. Please email us at and we will organise a mutually convenient time and let you know the pick up address.

All items must be paid for either before or during pick up. No personal items will be invoiced.

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Sherpa Lined Thermal Leggings - Thermal Theory - Leggings -
Sherpa Lined Thermal Leggings - Thermal Theory - Leggings -
Sherpa Lined Thermal Leggings - Thermal Theory - Leggings -
Sherpa Lined Thermal Leggings - Thermal Theory - Leggings -
Sherpa Lined Thermal Leggings - Thermal Theory - Leggings -
Sherpa Lined Thermal Leggings
Sherpa Lined Thermal Leggings
Sherpa Lined Thermal Leggings - Thermal Theory - Leggings -
Sherpa Lined Thermal Leggings - Thermal Theory - Leggings -

Customer Reviews

Based on 21 reviews
Deborah C.
Europe here we come!

I have tried for years to find sherpa lined leggings that had stretch and inclusive sizing that weren't outrageously priced. I feel like we've struck cozy gold with Thermal Therapy. We're about to head for 2 months in Canadian/European Winter and so happy to have Thermal Therapy packed and ready to keep us snuggle. The fit is excellent (plenty of stretch without feeling constricted) and so very warm. Suits this Tassie couple not only for travel but next Winter too. Also love supporting an Aussie business.

Keely L.
Thermal leggings

These leggings are amazing. Very satisfied!

susan s.
Toasty warm

Love the feel of these leggings. Can't wait to wear them in Europe in winter!!

Jessica B.

The leggings are super soft on the inside and comfy too. Can't wait to try them out in a European winter shortly!

Beth C.
Warm and cozy

I’m a regular size 10 and the M fits great. So warm and cozy.

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