Mystery boxes

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Free shipping from €45 Ordered before 22:00, shipped today Save up to 30% with our Meisterdeals 2-year warranty on Mellowood

Mystery Box by Undiemeister, for men who choose quality, not color

For those who love both comfort and surprises, we now have something special: the Undiemeister mystery box. A carefully curated surprise package featuring premium underwear, selected just for you. You choose the style and size; we’ll take care of the rest.

What is the mystery box?

The mystery box is a specially curated collection of premium Undiemeister underwear. You know what you're getting in terms of quality and style, but the colors are a surprise.

For a fixed price of just €59.99. That’s pure Mellowood quality at a surprisingly competitive price. You choose your style and size; we choose the colors. You win on all fronts.

Made from our well-known Mellowood fabric

The mystery box also offers exactly the same quality as our regular collection:

  • 68% TENCEL™ Modal
  • 28% Organic cotton
  • 4% spandex

What that means for you:

  • Silky soft on the skin 
  • Breathable and odor-resistant 
  • Temperature-regulating
  • Hypoallergenic and colorfast 
  • No indoor days, no irritation 
  • Always sustainably produced in Europe

No difference in quality, just in price and surprise.

Thermo-control for Every Day

Our base layers are designed to adapt to your body—not the other way around. Thanks to Mellowood, you’ll experience:

  • Coolness in the Heat
  • Warmth in the Cold
  • Quick-drying comfort
  • A fresh feeling, all day long

Technology inspired by nature, without all the fuss.

Choose your model, and let the color surprise you

You can choose from:

Then you choose your size. Done. The colors? We select them from previous seasons’ colors or exclusive collections. Always stylish. Always Undiemeister.

Choose less, wear more, get the most value.

Want to be pleasantly surprised? Absolutely.

  • Made with TENCEL™ Modal and organic cotton
  • FSC-certified source 
  • Manufactured in Europe, CO₂-neutral 
  • Plastic-free, recyclable packaging 
  • No clearance items, no second-grade products—only top quality

A surprise package can certainly be a responsible choice.

Why choose a mystery box?

Advantage What You'll Get
Big discounts Premium underwear, competitively priced
No decision fatigue You choose the model, we choose the colors
Precise Quality Not a clearance lot—just top-quality
Always portable Neutral, stylish Undiemeister colors
Perfect as a gift Cleverly packaged and a unique gift

Whatever you get is always good. What you don't know is what makes it fun.

Order today—for €59.99, treat yourself (or someone else)

  • 3 pairs of premium boxer shorts
  • Always Mellowood: breathable, odor-resistant, durable

For men who choose both quality and a surprise.

It's clear what you get. What are you missing? Absolutely nothing.

The Undiemeister mystery box is, without a doubt, underwear. The fit is familiar, the quality is reliable. The surprise is in the color. And the benefit? It’s in the price and the convenience.

Premium comfort in a surprise package.

FAQ

Frequently Asked Questions

Man met wit T-shirt met ronde hals en groene boxershort zit op bed en trekt grijze lange sokken aan

Do I really not know what colours I get?

Exactly. The colours are a surprise, but always from our regular or seasonal collection. No leftovers. No crazy prints.

Are they really the same products as normal?

Yes. The box contains exactly the same models and quality as the standard collection pieces - only now as a surprise deal.

Can I order multiple boxes?

Sure. You can order multiple mysteryboxes per model and size. Colours may vary depending on our stock.

Can I return if I don't like the colours?

No. The mysterybox is a specially priced surprise package, and excluded from return based on colour preference. Of course, your right of withdrawal applies as provided by law.