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Assos EQUIPE RS Johdah Winter Jacket - blackSeries

Assos EQUIPE RS Johdah Winter Jacket - blackSeries

The most technical, low-volume winter softshell Assos have created to date

Known in-house as the johDah, this stormproof jacket comes to life with high-output efforts - rewarding you with second-skin protection and temperature regulation like nothing you’ve experienced before. 


Shattering the mold for upper body protection during high-output efforts in the harshest conditions, the johDah Jacket makes no apologies for its demands. It’s specifically engineered for the serious year-round rider and pro athlete, as the watts they (you) generate are what determine whether the textiles Assos have developed for this system become “activated.” Get it right and you’ll be rewarded with a winterproof second skin that breathes and flexes with your body, feeding it just the right amount of insulation to perfectly regulate your core temperature during cold races and multi-hour training rides.

Project johDah began by developing a totally new line of softshells, each of which is lighter and more breathable than anything Assos have developed thus far. Known as SPHERE, this family of fabrics is the successor to our long-running Stratagon - giving us varying thicknesses of membrane-equipped materials for waterproof protection and flexible comfort. Starting from the inside out, the front panel is made up of several ultrathin layers. The first resembles a short zippered mid layer, which protects your chest with targeted insulation. Next comes 3L wind- and waterproof SHERE Light textile, which features a light thermal interior. To ensure you don’t overheat, Assos added their Diffusor “valves” at the shoulders, which act like a set of air vents that draw in air from the outside and inject it between the jacket’s layers of fabric.

They targeted the upper back and forearms with robust 3L SPHERE Medium, which features a thicker more insulating fabric on the inside. The lower back panel is made using OSMOS Heavy, the most insulating of the brushed-back materials, while the jacket’s integrated face mask and built-in mid layer employ the lighter, more breathable OSMOS Light. Finally, the upper arms lean on a warp-knit 3L ZigZaggy Foam that wraps you in plush, wind-blocking insulation.

It’s important to note that the johDah is one part of a three-piece system. Wear it alone during most winter conditions, or pair it with your Thermobooster Mid Layer for added insulation. For extra coverage in humid or extra-demanding weather, deploy your Alleycat Clima Capsule over the top. Either of these extra layers conveniently stow in the johDah’s Thermobooster Pod along the upper back panel. Yes, Assos have thought of everything. 



Features of the EQUIPE RS Winter Jacket

  • SPHERE Light: Used for the front panel, this middle-weight version of SPHERE is a patented 3L windproof, waterproof, and highly breathable woven softshell constructed with a PU bonded membrane for added water-repellency. Weight: 235/m2; Breathability: MVP 30,000g/m2/24h; Water Column: >10,000mm; Elasticity: 4-way stretch.
  • Tibet: The innermost layer in SHERE Light, this bi-stretch circular knit adds light insulation and helps pull moisture away from the layers below.
  • SPHERE Medium: Used for the upper back and forearms, this is our thickest version of SPHERE. It’s a patented 3L windproof and highly breathable woven softshell constructed with a PU bonded membrane for added water-repellency. Weight: 320/m2; Breathability: MVP 20,000/m2/24h; Water Column: >10,000mm; Elasticity: 4-way stretch.
  • Rhombus: The innermost layer in SHERE Medium, this polypropylene terry with smooth jacquard features a 3D diamond net construction to promote airflow, wick moisture, and add an extra layer of insulation along the upper back and forearms.
  • ZigZaggy Foam: The upper sleeves are made with this 3L warp-knit, windblocking fabric, which features a foam-like core and brushed fleece interior for added thermal protection.
  • OSMOS Heavy: This warp-knit is used along the back panel. It’s the heaviest in our brushed OSMOS family (290g/m2), featuring asymmetrical stretch and a soft, durable construction. High levels of insulation are derived from the brushed skin-facing side.
  • Integrated Face Mask: Stowable neck and face protection in OSMOS Light for the most extreme winter riding conditions.
  • Diffusor: An ASSOS-exclusive sewing construction that creates dual “valves” on the fronts of the shoulders, drawing in cool air for added ventilation.
  • Double-Slider Asymmetrical Zipper: Reversed camlock design, metal construction, offset at the collar for added comfort.
  • Thermobooster Pod: Fourth pocket along the central back panel, engineered to store the Thermobooster Mid Layer or Alleycat Clima Capsule.
  • Triple Ramp Pockets: Storage design with three textile-lidded pockets optimally located for ease of access; color-coded and featuring a micro-perforated bonded tape for visibility.
  • Raw-Cut Waist: Creates a smooth, aerodynamic design that seamlessly integrates with your additional layers.
  • Bi-Modular Rear Hem: A wide, bi-modular elastic flexes more along the side than in the middle to give you a secure, “tuned” hold.
  • aeroFit: The trimmest, speed-focused fit that’s tighter and more compressive than the racingFit. May feel restrictive out of the riding position but feels like a second skin while riding. 

Material 38% polyamide, 24% polypropylene, 20% elastane, 18% polyester

Fact Sheet of Assos EQUIPE RS Johdah Winter Jacket - blackSeries

Product Name: Assos EQUIPE RS Johdah Winter Jacket - blackSeries
Manufacturer: ASSOS
Item Code: ASS478968
Material: 38% polyamide, 24% polypropylene, 20% elastane, 18% polyester
with compression: no
activity: Cycling
gender: men
textile fabric: Synthetics
season: Winter
Features: Windproof, Waterproof, Thermo, Softshell
fit: Race Fit, tight
jacket / vest version: Jacket
Model year: 2023
Collection: Autumn/Winter
Color: Black
weight: 630g


In the following tables you will find information on the dress sizes of the manufacturer .

Category: Outerwear / Pants



International XS S M L XL XLG TIR
Germany 44 46 48 50 52 54 56
Inch 28 - 29 29 - 30 31 - 32 33 - 34 36 38 40
A. body height (cm) 160 - 170 168 - 175 173 - 181 180 - 187 185 - 189 190+ 191 - 195+
B. chest (cm) 88 92 96 100 106 112 118
C. waist (cm) 70 - 74 75 - 80 81 - 86 87 - 92 93 - 99 100 - 106 107+

International XS Germany 44 Inch 28 - 29

A. body height (cm) 160 - 170
B. chest (cm) 88
C. waist (cm) 70 - 74

International S Germany 46 Inch 29 - 30

A. body height (cm) 168 - 175
B. chest (cm) 92
C. waist (cm) 75 - 80

International M Germany 48 Inch 31 - 32

A. body height (cm) 173 - 181
B. chest (cm) 96
C. waist (cm) 81 - 86

International L Germany 50 Inch 33 - 34

A. body height (cm) 180 - 187
B. chest (cm) 100
C. waist (cm) 87 - 92

International XL Germany 52 Inch 36

A. body height (cm) 185 - 189
B. chest (cm) 106
C. waist (cm) 93 - 99

International XLG Germany 54 Inch 38

A. body height (cm) 190+
B. chest (cm) 112
C. waist (cm) 100 - 106

International TIR Germany 56 Inch 40

A. body height (cm) 191 - 195+
B. chest (cm) 118
C. waist (cm) 107+


International XS S M L XL
Germany 34 36 38 40 42
Inch 25 - 26 27 - 28 29 30 - 31 32 - 33
B. chest (cm) 80 85 90 96 102
D. hips (cm) 88 94 100 106 112

International XS Germany 34 Inch 25 - 26

B. chest (cm) 80
D. hips (cm) 88

International S Germany 36 Inch 27 - 28

B. chest (cm) 85
D. hips (cm) 94

International M Germany 38 Inch 29

B. chest (cm) 90
D. hips (cm) 100

International L Germany 40 Inch 30 - 31

B. chest (cm) 96
D. hips (cm) 106

International XL Germany 42 Inch 32 - 33

B. chest (cm) 102
D. hips (cm) 112