Cotton has been the default fabric for men's underwear for generations. TENCEL™ Lyocell is newer, less familiar, and often dismissed as a premium marketing term. This guide breaks down both fabrics honestly so you can decide what's actually right for you.
What Is TENCEL™ Lyocell?
TENCEL™ is a branded fibre made by Lenzing AG, produced from sustainably harvested wood pulp (primarily eucalyptus) through a closed-loop manufacturing process that recycles 99%+ of the water and solvents used. The result is a semi-synthetic fibre with a genuinely distinct feel and performance profile.
It's the primary fabric in both the Roam Boxer Brief and Boxer Brief I.
Side-by-Side Comparison
| Property | Cotton | TENCEL™ Lyocell |
|---|---|---|
| Softness | Familiar, medium | Exceptionally smooth; silky hand feel |
| Moisture absorption | High — holds moisture | High — but releases it faster |
| Breathability | Good | Excellent; temperature-regulating |
| Drying speed | Slow | Faster than cotton |
| Sustainability | Conventional cotton is water-intensive | Closed-loop production; FSC-certified sourcing |
| Durability (wash) | Good | Equal or better when washed correctly |
| Pilling | Can pill with abrasion | Low pilling tendency |
| Skin sensitivity | Neutral | Naturally smoother; fewer irritation points |
When Cotton Has the Edge
Cotton is widely available, inexpensive, and deeply familiar. If you run cold, prefer heavier-weight fabrics, or simply find cotton comfortable, there's no reason to switch for the sake of switching.
When TENCEL™ Is Worth It
TENCEL™ outperforms cotton in most active or extended-wear scenarios:
- Hot weather or warm offices — the temperature-regulating properties of Lyocell keep you cooler
- Long travel days — faster moisture release means less clamminess over hours
- Sensitive skin — the smoother fibre surface reduces friction and irritation
- Sustainability-conscious buyers — the production process is meaningfully cleaner than conventional cotton
The Verdict
For everyday underwear, TENCEL™ Lyocell is a genuine upgrade over standard cotton — not a marginal one. The fabric feels noticeably better, performs better in heat and movement, and holds up through repeated washing.
Try it for 30 days. Nether's fit guarantee means you can test the difference in your real life — not just in a fabric swatch. Shop the collection.
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