A classic cotton tee look with strong technical credentials, the Dephi Tech Tee is a great choice for adventurous exploits.

If your workouts and training find you battling the big outdoors as often as hitting the gym floor, the Dephi Tech Tee literally has your back. Made for high-intensity summer adventures from fast-packing to mountain biking, it combines classic cotton-tee looks with high-tech performance. It’s ideal if you’re looking for the best workout clothes for outdoor workouts.

Men’s Fitness verdict

This durable workout tee provides breathability and comfort while also being friendly to the planet. The odor-fighting fabric is treated with UP50+ UV protection, making it ideal for outdoor workouts
  • Made from sustainable materials
  • Relaxed, airy fit
  • A shade heavy for some workouts

How we tested the best workout tops

Our team of reviewers are experienced testers of all manner of fitness kit. While testing out this backpack, MF tester Kieran Alger assessed the top in terms of comfort, fit, and sweat-wicking capabilities. He also paid close attention to any high-tech features on offer, such as odour-fighting antimicrobial technology. The testing process involved wearing the top through a range of varied workouts, from longer runs and gym classes to lifting sessions at the gym, to see how the top performed.

The Delphi Tech Tee has a loose and airy fit – more like a regular cotton tee – so it wasn’t too body-hugging

Picture Organic Dephi Tech Tee: fabric and fit

It uses innovative Poly-Tencel fabric – a mix of recycled polyester and Tencel – that not only gives it the breathability, comfort and softness of a performance technical tee, but also makes it friendlier to the environment. 

I found it had a loose and airy fit, more like a regular cotton tee, so it wasn’t too body-hugging. However, at 180g, it’s heavier than many of the training tops I tested. For a heavy-duty tee, though, I found it was surprisingly good at shifting sweat off the body. I’d say you can use it for lower-intensity gym sessions, too. 

Dephi Tech Tee: high-tech features

The fabric features odor-fighting antimicrobial tech, so in theory you can tackle multi-day adventures without kicking up a stink. Though a lot depends on how much you sweat. It’s also treated with UP50+ protection, to offer a screen from ultraviolet rays and to boost its hot weather workout credentials.

I had no problems with durability. My top went through multiple wash cycles without losing shape or leeching colour. Speaking of colours, the subtle tones and classic tee styling makes it a good option for kicking back pre- and post-adventure, too.  

The Dephi Tech Tee comes in three colors and five sizes from S to XXL. It also has reflective detailing for extra visibility when your adventures go on beyond sunset.

Materials:40% recycled polyester, 48% polyester, 12% Tencel
Sizes:Small to XXL
Features:Ethical and sustainable design; antimicrobial treatment; UPF50+ UV protection; reflective details
Colors:Fairway / Grapeade / Shrimp