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Product codeKAS00-Protone-L
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: R4,995
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The Protone weighs just 215 g and uses a 3D Dry padding with a multi-layer open cell construction process to give a more comfortable ride.

It has removable and washable inner padding, made from CoolMax® fabrics and its inner padding fabric has been treated using the Sanitized® antimicrobial process. KASK has also continued to use its Multi In-Moulding Technology to create a polycarbonate cover for the top, base ring and the back of the helmet’s shell. This is joined to the inner polystyrene cap via KASK’s In-Moulding Technology to improve the shell’s shock absorption. Its strengthened frame further reduces the risk of a shock breaking the shell.


    • Eco-Leather Chinstrap
    • In-Moulding
    • Aero Control
    • 3D Dry Padding
    • MIT
    • High Visibility
    • Coolmax Fiber
    • Octo Fit
    • Inner Frame
    • Sanitized Treated Fabric
    • Ventilation Holes: 20
    • Standards: EN 1078, CPSC 1203, AS/NZS 2063


    • S = 50 – 56 cm | 19 11/16 – 22 3/64 inch
    • M = 52 – 58 cm | 20 15/32 – 22 53/64 inch
    • L = 59 – 62 cm | 23 15/64 – 24 13/32 inch


Eco-Leather Chinstrap
Chin pad with eco-leather chinstrap. The antiallergic and washable chinstrap is extremely comfortable and helps to avoid irritation of the skin.

The innovative “in molding” technology, joining the inner polystyrene cap to the outer polycarbonate one, ensures better shock absorption.

Aero Control
Incredibly aerodynamic and top performing shell, tested in the wind-tunnel and able to provide a really impressive CX rate. Any position the head will assume the outflow of the air will be perfectly in line with the helmet.

3D Dry Padding
The tridimensional 3D DRY padding utilizes a multi-layer open cell construction process: high technology for the best comfort and performance.

The MIT Technology, applied to all KASK cycling helmets, guarantees a higher safety and a complete protection thanks to the polycarbonate layer that covers the shell on the top, on the base ring, and on the back.

High Visibility
High visibility stickers for maximum safety even in poor visibility conditions.

Coolmax Fiber
Removable and washable inner padding in Coolmax® material

Octo Fit
Rubberised Micro Dial adjuster provides improved finger grip. Floating cradle contact points combine internal gel pads for optimum comfort. These supports are designed to oscillate freely through 180° allowing a perfect fit on any shaped head. The Skeletal Brackets of the cradle have been designed and refined to provide the best fit and support whilst being as light as possible.

Inner Frame
The innovative inner strengthening frame offers greater mechanical strength and a better compactness. In case of shock, it prevents the helmet from breaking into many pieces, allowing greater safety for every rider.

Sanitized Treated Fabric
Inner padding fabric treated with antibacterial and antimicrobial Sanitized® process.


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