Collection: Long blue T-shirts

Long blue T-shirts from Undiemeister

A basic, that's where many garments start. But at Undiemeister, we turn every basic into a masterpiece. Take the long blue T-shirt. Not just any shirt in any colour, but a technical, stylish and durable essential with just the right length.

Perfect as an undershirt under a shirt, as a standalone outfit or for moments when comfort is as important as appearance.

More length, grip and style. All in timeless blue.

Why long blue T-shirts are the smart choice

• Just a bit longer than standard
• Doesn't creep up on movement
• Stays perfectly in your pants
• Also casual and stylish over your jeans

And thanks to the breathable fabric and durable manufacturing, this T-shirt is more than a basic. Made from Mellowood the premium standard

Our long T-shirts are made from:

• 68% TENCEL™ Modal
• 28% organic cotton
• 4% elastane

This combination provides a silky soft touch, breathability, natural stretch without bulging and lasting colour fastness. This keeps your shirt fresh and beautifully blue, wash after wash.

Longer shirt that provides a lighter feel

Where other long T-shirts feel heavy, this model stays airy and dry. The Mellowood fabric is antibacterial, odour-blocking and breathable, ideal for travel, work or hot days. You choose the moment, the shirt adapts.

Fit & length: the perfect balance

• Slim or regular fit
• Round neck or V-neck
  
• Sizes S to XXXL

With sleek cuffs, a seamless finish and no inner tags, every detail sits well. The deep navy blue colour looks both professional and relaxed.

The right long T-shirt for every moment

Under a shirt, in your jeans or hanging loose over your pants: this T-shirt does it all. It's wrinkle-free, airy and stays nice during trips, meetings or summer days. Whether you're moving or relaxing, this shirt stays with you.

Durable down to the fiber

At Undiemeister, sustainability comes standard. Made from FSC-certified TENCEL™ Modal and organic cotton, without pesticides. Produced in Europe, CO₂-neutral. Packaged in plastic-free, recyclable materials a And thanks to its longevity, you're less likely to need to replace it.

Smart combining = always prepared

• Multipacks always a fresh shirt on hand
• Loose pieces ideal for exploring or replenishing

Order your long blue T-shirt for every day today

• Breathable, odour-blocking, colourfast and quick-drying.
• Slim or regular fit, with round or V-neck.
• Sustainably produced in Europe
• Available as singles or Meisterdeals.

A long basic that is anything but ordinary

Undiemeister's long blue T-shirts are designed for men who expect more from a simple garment. More length & style. More control & comfort. A T-shirt that is unobtrusively perfect and therefore the right choice every day.