

Australian Merino Trunk - Black
Runs Small
True to Size
Runs Large
Tani Australia’s best selling trunk style in Black is now available in extra fine merino wool. This unique fabric is recognised for it’s natural wicking functions and we proudly use wool from local specialists in Melbourne.
A special Polygiene R finish on the fabric keeps the garment fresher for longer and inhibits bacterial growth.
Fabric composition: 50% wool, 50% TENCEL™ Lyocell
Fabric: 96% Micro Modal Air, 4% Lycra (Elastane)
Care Instructions:
- Cold/warm wash with a similar colour
- Delicate wash cycle
- Air dry flat
- Iron or steam inside out on low to medium heat
For more information, read the Product Care here.
Size | S | M | L | XL | XXL |
Waist (cm) | 68 - 76 | 77 - 84 | 85 - 92 | 93 - 102 | 103 - 109 |
Note: Values given are body measurements. We recommend comparing your own measurements with our guide to choose the best size.
We offer:
1. $12 Standard Shipping under $124
- Free Standard Shipping on orders over $125.
2. $15 Express Shipping under $149
- Free Express Shipping on orders over $150.
Returns are accepted:
- If items are in original condition, with Tani tags attached and packaging included.
- We do not accept returns for underwear for hygiene reasons.
- Only fully priced items are eligible for refunds.
For more information, read the Shipping Details here and the Returns Policies here.
Choose options


Runs Small
True to Size
Runs Large
Need help?
Frequently Asked Questions
Each product has a size guide linked on the page to help you find the right fit. If a style runs large or small, it is mentioned in the product description.
You can also reach out to our customer care team for personalised advice.
Not when cared for properly.
Our garments are designed to retain their shape and feel wash after wash. We recommend a cold gentle hand wash and air drying to maintain longevity.
We are using Micro Modal Air fabric. The composition is 96% Micro modal air and 4% Lycra (Elastane).
The fabric is derived from certified, responsibly managed wood source, Air fibre is of botanical origin, sustainably produced and designed for long-lasting softness.
For more details, please click here.
It depends on where you are. The delivery time varies based on whether you select express or standard shipping and where you are sending.
We use Australia Post as our delivery courier. For more details, please click here.



