Swiss Cotton Button Trunk - Navy
Runs Small
True to Size
Runs Large
This comfortable and everyday button trunk in Navy is lightweight, soft and retains shape after repeated washing, as it is constructed from Swiss Cotton™. Swiss Cotton™ uses extra long staples cotton to produce fabrics of the highest standard. Only 3% of annual world cotton output meets the strongest requirements of Swiss cotton™.
Tani Australia’s Swiss Cotton™ trunk is manufactured in a family-owned mill near Zurich on fine gauge circular knitting machines powered mostly by green energy.
Eco-friendly
Sustainable
Breathable
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 $99
- Free Standard Shipping on orders over $100.
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
2025 Christmas Delivery Cut-Off Dates
Standard Shipping:
VIC: 18 December 2025
NSW, QLD, ACT, TAS, SA: 18 December 2025
NT, WA: 10 December 2025
Express Shipping:
VIC: 18 December 2025
NSW, QLD, ACT, TAS, SA: 18 December 2025
NT, WA: 13 December 2025
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. concise answer to guide your customers.