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Item # ZRH0338

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Item # ZRH0338


Winter riding is hard enough with the proper equipment, so why would you sign up for bulky, moisture-trapping jerseys on top of it? We know that no one intentionally makes this decision, but for the sake of warmth, we've simplified the winter jersey selection process for you -- buy Italian. With the Zero RH + Key-Jey Jersey, you receive warming, top-tier Italian fabrics and a precise, dedicated fit -- say goodbye to hypothermic base miles.

For the construction of the Key-Jey jersey, Zero RH + based the bulk of the composition around the protective Icedry Gold 100 fabric. This material represents a marriage between warming and the functionality required from cycling. By this, we mean that Icedry Gold 100 features a lightweight knit construction that provides a high level of elasticity without compromising any protection from the elements. In fact, the '100' designation of its title refers to its weight in position to the four varying scales of Icedry Gold. Accordingly, this material features the second lightest fiber weight within the line.

Essentially, the material works by blocking out most incoming airflow, while trapping excess core temperature between the jersey and the skin. This creates a light insulation layer that effectively warms without overheating. However, sweat is an inevitable result of aerobic exercise, and that's why this Icedry has been engineered to be highly breathable. As a result, the material allows excess heat to escape from the insulation layer. And not only does this keep your temperature well regulated, it also decreases moisture accumulation as well. This is why Zero RH + recommends wearing this jersey as a first layer to the skin. In summary, the Key-Jey jersey is difficult to penetrate, but easy to exit.

In terms of fit, the body of the jersey has been pre-shaped on an anatomic form. This means that the cut has been coordinated to the predictability of your body's movements. So, when you move, the jersey moves with you, not against your skin. And to further ensure this, the Key-Jey jersey features stretch panels at heavy points of articulation. Securing the fit while you're in and out of the saddle are Zero RH+'s proprietary grippers at the front and rear hem.

To provide extra visibility to motorists in low-light conditions, the jersey features reflective accents throughout. And to store your ride essentials, Zero RH + included three ample-sized rear pockets and rear zippered security pocket. Additionally, the jersey's zipper utilizes a self-locking slider and is protected from drafts by a zipper garage a the neck.

The Zero RH + Key-Jey Jersey is available in six sizes from Small to XXX-Large and in the colors Black/white and White/black.

Tech Specs

[jersey] Icedry Gold 100
Recommended Use:
cold weather road cycling

Size chart

Fuji Bicycles


Geometry Chart


Altamira LTD

Seat Tube


Effective Top Tube








Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop


Chainstay Length



44 44.0cm 51.5cm


36.3cm 72.1cm


72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm


37.0cm 74.1cm 13.0cm 72.5 deg 74.5 deg 6.9cm 40.5cm 97.7cm
50 50.0cm 54.5cm 54.0cm 37.0cm 76.0cm 14.0cm 73.0 deg 73.5 deg 6.9cm 40.5cm 97.6cm
53 53.0cm 56.0cm 56.0cm 37.9cm 78.3cm 16.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 98.6cm
55 55.0cm 57.5cm 58.0cm 38.9cm 80.1cm 18.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 100.1cm
58 58.0cm 59.0cm 60.1cm 39.7cm 82.1cm 20.0cm 74.0 deg 73.5 deg 6.9cm 40.5cm


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Here's what others have to say...


Very confortable and dry!

    Very good technical baselayer! Its very dry and comfortable! Athletic fit! Very cheap for this quality!