Assos - EQUIPE RS JOHDAH Ultraz Winter Jacket S11 EVO - Men's - Black Series - 2026

Assos - EQUIPE RS JOHDAH Ultraz Winter Jacket S11 EVO - Men's - Black Series 

For high-intensity riding in all conditions, all winter, pair with the RS JOHDAH Winter Bib Tights S11. Complete the system with Winter or Ultraz Winter accessories and the RS ALLEYCAT Shell Jacket S11as conditions require.

"Though it hasn’t been around for even a decade, the JOHDAH has become an icon of cycling. Its capabilities and versatility unlock winter layering for all winter conditions, either as a final layer or as a highly breathable mid-layer beneath the RS ALLEYCAT Shell Jacket S11 for winter’s worst.

Every textile is oriented for on-bike effectiveness, shielding exposed areas and your body’s leading edge while increasing breathability where protection is less necessary.

For the S11 EVO update, we upgraded the forearms and back panel with a more insulating textile, the aptly named OSMOS Heavy.

We found that adding warmth at the forearms especially means the JOHDAH can go deeper into winter without an additional layer, preventing the risk of an overheated core due to over-layering.

The jacket’s leading edge features DIAMOND Medium softshell, which erases frigid cold, stinging precipitation, and biting wind with an ultra-elastic fit that confirms the RS line’s reputation for second-skin aerodynamics, even in a winter jacket.

The built-in intraBooster gilet also returns, courtesy of LITHIUM Medium.

This textile is an insulating layer with a grid construction that promotes extreme breathability while trapping necessary warmth but channeling excess heat away from your microclimate.

The addition of a double-slide zipper also lets you control temperature in two ways. Unzip from the top, and the LITHIUM gilet lets you release heat without completely exposing your core to the cold.

Unzip from the bottom, and you’ll discreetly shed heat while maintaining complete protection across your chest and shoulders against precipitation and windchill."

Composition: Front Main Fabric 70%PL 20%PA 10%EA; Lining 83%PA 17%EA; Back Main Fabric 56%PA 28%PL 16%EA; Pocket, Hem Insert 100%PL; Pocket Ramp 94%PA 6%EA; Front Insert 80%PA 20%EA

About ASSOS:

ASSOS of Switzerland’s mission is to provide innovative, technically outstanding cycling apparel with meticulous, lean design.

Since creating the first ever Lycra® cycling shorts in 1976, the company has developed a number of innovations that have pointed the way for the evolution of cycling wear – most of its innovations are now industry standards. Today, ASSOS proudly provides its Total Cycling Comfort to riders in more than 30 countries.

MyTriathlon is proud to have added ASSOS to the growing list of prestigious triathlon wear and equipment manufacturers we now supply.

For help and advice on any aspect of your cycling equipment, or for any product sizing queries, call us on 0207 183 4116, or contact us via WebChat.