This site has limited support for your browser. We recommend switching to Edge, Chrome, Safari, or Firefox.
Welcome to Verjari Explore further
Zoom T-shirt BIORUN Thermosoudé Biosourcé 92% Huile de Ricin
Zoom t-shirt biosourcé running huile de ricin Verjari
Zoom t-shirt biosourcé running huile de ricin Verjari
Zoom t-shirt biosourcé running huile de ricin Verjari

Biobased 92% Castor Oil Taped Seams T-shirt BIORUN - Men Trail Running Mid-season

Subscription Save


The BIORUN t-shirt is a post-petroleum t-shirt designed for running. It is organic because 92% made from castor oil. Its fiber, made in Italy, is bacteriostatic (anti-odor), insulating, breathable, and has superior elasticity and resistance qualities.

Its minimalist style, laser cutting and thermobonded seams enhance comfort while running by limiting friction. It is ideal for mid-season running. Its technical properties are superior to traditional technical polyester or nylon t-shirts.

  • Bio-based post-petroleum - 92% castor oil / 8% elastane
  • Thermobonded seams to reduce friction
  • Breathable - Laser cut holes on the back
  • Lightweight: 100g
  • Thermal insulation
  • Bacteriostatic (anti-odor)
  • Fast drying
  • Laser cuts
  • Superior elasticity than polyester or nylon
  • Superior resistance
  • Reflective (logo)
  • Soft on the skin
  • Black color
  • Designed in France
  • Yarn and fabric made in Italy
  • Made in Europe - Portugal

Fast shipping

Shipping methods and price will be updated at checkout based on your location

Easy return

This product can be returned within 14 days after receipt.

The product must be unused, with its labels and in its original packaging. If these conditions are met, the product will be refunded or exchanged within 7 working days maximum after receipt by our team. Before any return: make a request with the order number to

Who are we ?

Verjari is a french start-up founded in 2018. We make innovative outdoor clothes for athletes and explorers.

Learn more about our vision

Biobased EVO® fiber - Post petroleum
92% from castor oil
Superior elasticity
Anti odors

Biobased EVO® fiber - Post petroleum

92% from castor oil

EVO® fiber is a technical fiber biobased from castor oil. The t-shirt is made of 92% (and 8% elastane). It is therefore a t-shirt that can be described as "post-oil". This fiber is made in Italy. It is sustainable, of high quality, and gives a noble outfit and a particularly soft and pleasant feeling to the t-shirt. The t-shirt is assembled in Portugal.
Learn more


Thermobonded seams

The BIORUN t-shirt is made with thermobonded seams and laser cutouts. This means that the parts of the fabric are glued together without thread. It is a special design technique that limits friction during the race and therefore increases comfort.

Breathability and uses

150G for mid-season

The BIORUN t-shirt is a semi-light t-shirt ideal for mid-season. Its fiber is breathable and its micro-ventilated fabric thanks to small holes made with a laser. The t-shirt weighs 150g. Its high quality allows it to undergo multiple machine washes without losing its properties (recommended at 30 ° C max).

Fibers quality and resistance

Superior elasticity

The quality of the fabric allows a much higher than average elasticity. The t-shirt can relax very strongly and return to its original position without any problem.


Biodegradable packaging at home

This product comes in the new biodegradable Verjari packaging directly in hot water.
See how it works


No more products available for purchase

Your cart is currently empty.