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Fashion > Women's underwear & swimwear
Thermal underwear
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Prices: from NZ$11 to NZ$116, examples below. Tell us what you need (intended use, item), and we will ask sellers to send you a price.

Prices in New Zealand
  • Basic synthetic long johnsNZ$11–NZ$20
  • Women's thermal bottoms and boxersNZ$15–NZ$40
  • Merino or wool base layersNZ$40–NZ$60
  • Technical bottoms (lightweight, premium)NZ$100–NZ$116
BlaBlaPrice Sellers will reply to you, for example like this
Southern Thermal Co

Hi, our women's thermal bottoms start at NZ$15 and we deliver to Wellington and Auckland. Are you looking for skiing wear or everyday winter warmth?

Kiwi Base Layers

Kia ora, our merino base layers cost about NZ$40 to NZ$60, with a size chart in centimetres. Which size and colour do you need, and what warmth level?

Hawke Outdoor Apparel

Hello, technical bottoms from about NZ$100 can be delivered to Christchurch. How many pairs do you need, and is this for alpine use or for work?

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Women's thermal underwear in New Zealand: warmth, material and labels

Thermal underwear in New Zealand costs from about NZ$11 for basic synthetic long johns to about NZ$116 for technical bottoms, with most everyday pieces between NZ$15 and NZ$60. For offers from local sellers with delivery to your city, describe the warmth level and the use in a request on BlaBlaPrice.

Approximate prices for adult thermal underwear in New Zealand, November 2026 (sellers' websites)
TypeApproximate price
Basic synthetic long johnsNZ$11–NZ$20
Women's thermal bottoms and boxersNZ$15–NZ$40
Merino or wool base layersNZ$40–NZ$60
Technical bottoms (lightweight, premium)NZ$100–NZ$116

Labels, warranty and returns

New clothing sold in New Zealand must carry a country-of-origin label, and many textiles must show their fibre content, so check the label before you buy merino or a synthetic blend. The Consumer Guarantees Act applies to clothing bought for personal use, so a garment with a fault can be repaired, replaced or refunded. Some brands go further: one merino brand replaces items that fail through a fabric, stitching or manufacturing defect within 12 months of purchase.

Season and when to buy

Demand peaks from June to August, when cold weather makes thermals a daily item in Auckland, Wellington, Christchurch, Hamilton and Tauranga alike. Buy in May, before the first cold snap, to get the widest choice of sizes. Summer, December to February, is the quietest time for thermals, so there is more time to compare offers and wait for the right pair.

Choosing material, warmth and size

Say what the underwear is for: skiing, a cold workplace, or everyday winter wear. Synthetic bottoms are the cheapest option, while merino and technical bottoms cost more and suit colder use. Give your size in New Zealand sizes or your body measurements in centimetres, and ask whether the seller has a size chart with waist and hip measurements. Name the brand, the colour and the quantity you want, and the city for delivery.

BlaBlaPrice's AI reads your request, asks for missing details such as size, material and city, then looks through sellers' websites and price lists in New Zealand and shows the prices it finds. Registered sellers reply in the chat with their price, delivery and returns terms, and your contact details stay hidden until you decide to share them. For related items see Women's underwear & swimwear and Shapewear.

Questions and answers

How much does thermal underwear cost in New Zealand?

Basic synthetic long johns are listed from about NZ$11 to NZ$20, women's bottoms and boxers from about NZ$15 to NZ$40, and technical bottoms from about NZ$100 to NZ$116.

When is the best time to buy?

Buy in May, before the cold arrives. Demand is strongest from June to August.

What should the label show?

New clothing must carry a country-of-origin label, and many textiles must show their fibre content, so check both before you buy.

What if the underwear is faulty?

The Consumer Guarantees Act applies to clothing bought for personal use, so you can ask for a repair, replacement or refund. Some brands also replace faulty items within 12 months.

Popular questions

  • Looking for “Thermal underwear”?
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    It compares prices straight from sellers’ price lists, with no mark-ups, looks through their websites and rates every option against your request: what exactly is offered, the price, delivery and warranty. You see what fits you.
  • How do I write a good request?
    Give the main things: the model or what exactly needs doing, condition (new / used), quantity, area and timing. The “Add details” buttons will suggest what to write.
  • How do sellers reply?
    Each seller sends you a personal offer with a price and terms. BlaBlaPrice puts the best value on top, and you choose.
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    Sellers from the right category: BlaBlaPrice picks it. They don’t see your contacts, only the one you choose does.
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