
Sizing Chart
| AU Size | Waist (inch) | Waist (cm) | Weight (kg approx.) | Height (cm approx.) |
|---|---|---|---|---|
| XS | 22-27" | 56-68cm | 40-45kg | 160-165cm |
| S | 27-30" | 69-76cm | 46-55kg | 165-170cm |
| M | 30-32" | 77-82cm | 56-65kg | 170-175cm |
| L | 32-35" | 83-88cm | 66-75kg | 175-180cm |
| XL | 35-38" | 89-97cm | 76-85kg | 180-185cm |
| XXL | 39-42" | 98-106cm | 86-95kg | 185-190cm |
| 3XL | 42-46" | 107-116cm | 96-105kg | 190-195cm |
Sizes are approximate and may vary depending on body shape. If you’re between sizes or prefer a more relaxed fit, we recommend sizing up.
The bamboo brief designed to be forgotten
Dry comfort, natural support, zero irritation ... from morning to night.
Discover a brief designed to support your day without discomfort, without excessive sweating, and without constant adjustments.
Comfort You Can Trust, Backed by Skin Experts
Proven Results. Real Impact.
93%
93% of customers say UNDERMANN is the most comfortable underwear they’ve ever worn.
92%
92% of women find their partner more attractive when he wears UNDERMANN.
86%
86% of customers report increased confidence and motivation while wearing UNDERMANN.
Built to Last. Guaranteed.
Every pair is backed by a 200-wash durability guarantee, meaning consistent fit, strength and comfort over time.
No sagging. No thinning. No loss of shape.
Just underwear that keeps performing, wash after wash.
Designed to outlast ordinary boxers, so you don’t have to keep replacing them.
An Exceptional Man Deserves Underwear That Matches Him
Designed for men with presence.
UNDERMANN™ gives your body room to breathe, stay cool and move freely — creating the ideal conditions for comfort, confidence and everyday performance.
Because when nothing holds you back, everything feels more natural.
Why UNDERMANN™ Supports Your Daily Vitality
Temperature-Balanced Comfort |
Designed to help reduce excess heat and moisture, keeping you feeling fresh and comfortable throughout the day.No overheating. No discomfort. Just balance.
Natural Freedom of Movement |
No compression. No restriction.
Only natural support that allows full freedom of movement and all-day ease.
Comfort that works with your body — not against it.
Clean Bamboo Fabric |
Crafted from premium bamboo fibres, naturally breathable, antibacterial and gentle on the skin.
Free from harsh irritants, designed to support a clean, comfortable environment for your body.
The Result?
- You feel better.
- You move better.
- And that confidence shows... without saying a word.
Premium Quality. No Markups.
We don’t believe in inflated prices or unnecessary extras.
✔ Smart manufacturing choices
✔ Long-lasting materials
✔ Fair pricing, by design
By working directly and cutting out intermediaries, we invest where it matters most: quality, comfort and durability.
You’re not paying for a logo.
You’re paying for underwear that performs better — and lasts longer.
Simple. Transparent. Built to make sense.
What really sets UNDERMANN apart
UNDERMANN
Mass-Market Brands
Designer Underwear
Typical Fashion Brands
Breathability System
Advanced airflow structure
No
No
No
Row Heading
Yes
No
Cost
7.00AUD /pair (10pcs)
80.00AUD (3 pcs)
65.00AUD (3 pcs)
55.00AUD (3 pcs)
Long-Term Wear Guarantee
180 days
No
No
No
Fabric Composition
95% Bambou 5% Elastane
90% Cotton 10% Polyester
45% Polyester 55% coton
85% Nylon 15% Spandex
Shape Retention
Keeps fit over time
May lose shape
May lose shape
May lose shape
Freshness & Hygiene
Naturally odour-resistant
No
No
No
Satisfaction Guarantee
45-dayrisk-free trial
14 daysor less
14 daysor less
14 daysor less
Skin-Friendly Design
Yes
No
No
No
What Our Customers Say
ExcellentExcellent 4.8 / 5
FAQ
Get answers to your questions about our products and services.
What is bamboo fiber and why is it used for boxers?
Bamboo fiber is a natural material increasingly valued for its softness, breathability, and eco-friendly properties. It is used in our boxers to provide superior comfort while promoting better everyday hygiene.
Why do dermatologists recommend bamboo fiber boxers?
Bamboo fiber is naturally gentle on the skin and helps limit moisture buildup. This makes it particularly suitable for reducing irritation, friction, and discomfort, especially for daily wear.
How is the breathability of bamboo fiber boxers different from other materials?
Unlike many synthetic fabrics, bamboo fiber allows air to circulate more effectively and absorbs moisture efficiently. This helps keep the skin dry and comfortable throughout the day.
How durable are bamboo fiber boxers compared to traditional boxers?
Bamboo fiber boxers are designed to maintain their softness, shape, and elasticity over time. With proper care, they offer excellent durability and long-lasting comfort compared to standard materials.
Are bamboo fiber boxers suitable for sensitive skin?
Yes. Thanks to their soft texture and natural properties, bamboo fiber boxers are particularly well suited for sensitive or irritation-prone skin.
How should I wash and care for my bamboo boxers?
Yes. Bamboo fiber boxers can be safely machine washed. We recommend washing at a low to moderate temperature and avoiding high heat drying to preserve the fabric’s quality.