Discover G4 dimension’s up-market cycling jackets made from the latest technical materials. Cyclists will appreciate the form, fit and the feel of these bike jackets. All our jackets are made in Italy and designed by Geoffroy Lequatre, a former professional cyclist. 

  • The new green E.Motion lighting cycling jacket is the evolution of the previous blue one. Even more technical, efficient and safe thanks to its double luminous optical fiber. An impressive cycling jacket, unique on the market, ultra-warm, which will protect you thanks to its fleece fabric inside and quilted outside!

    332,50 €
    In Stock
  • The 2500 mAh universal external battery from G4 allows you to connect your E.Motion Green Men's or Women's safety cycling jacket to its dual fiber optic. With this battery, ride between 12 to 24 hours depending on the mode, day and night, under the light! Recharge even your smartphone on the bike with this high capacity and ultra thin battery.

    16,67 €
    In Stock
  • RAIN SYSTEM 2.0 ultra light rain jacket 160g This new rain jacket for cyclists 2.0 is ultra light and will be the perfect protection for your bike rides under the rain!

    232,50 €
    In Stock
  • Prepare yourself to feel different! Performance, Style and above all Technicality. We present the second generation of the most sophisticated ARCHANGE cycling jacket in the world. This winter cycling jacket, Archangel silver, is made of more than 15 Lycra fabrics, windproof, reflective, water-repellent and warm. A winter cycling jacket that is one of a kind!

    344,25 € 382,50 € -10%
    In Stock
  • Our 3 in 1 Denim winter jacket will exceed all your requirements, whether you’re taking a simple stroll or taking part in a race, thanks to its three innovative layers. This new collection of top-of-the-range jackets continues G4’s la performance élégante.

    119,17 € 299,17 €
    In Stock
  • The winter cycling jacket e-Motion from G4 ranges is a technological feat thanks to its dynamic cuts, fabric combinations, waterproof/quilted/reflective membranes. The whole cycling jacket is sublimated with a long autonomy optic fiber fixed or flashing for optimal security during bad conditions or at nightfall rides.

    259,33 € 324,17 € -20%
    In Stock
  • We dream of a world where time doesn’t matter, we can ride anytime, anywhere, in all weather conditions. Our know-how, combined with the leading-edge textiles, has allowed us to design the SUPREME jacket - a jacket which enjoys both rain and sunshine. It’ll light up your rides. Control is finally in your hands!

    198,75 € 220,83 € -10%
    In Stock
  • Even more supremacy! A Supreme reflecting cycling jacket even more technical than before! Introducing the new Supreme blue-navy cycling jacket, which will make you defy the natural elements ... Counteract fall and its cool windsand rain by wearing this new edition of the technical cycling jacket.

    206,25 € 229,17 € -10%
    In Stock
  • The Supreme Evolution Cycling Jacket: the must-have of the mid-season The Supreme Evolution lightweight mid-season long-sleeved jacket, the result of an evolution of the previous winter jacket Supreme, is specially created to ward off all weather events (rain, wind, and mid-cool weather) encountered during your different outings.

    148,17 € 204,17 €
    In Stock
  • More than just a rain jacket, its thermal insulating fabric cuts out the wind, providing protection from the cold. The jacket's materials provide both ventilation and improved heat regulation for optimal breathability.

    215,83 €
    In Stock
  • The Sirocco cycling windvest is the new in windvest from our Sirocco range. It is a set of new technical fabrics never used in our ranges coupled with the windproof and water-repellent fabrics from our first Sirocco cycling windbreaker.

    138,75 € 154,17 € -10%
    In Stock
  • G4’s jacket combines research with the latest fabric technology to produce a jacket that can combat the worst weather conditions. Wind-proof, water-repellent and breathable thanks to its special exterior membrane; the jacket provides protection, warmth and comfort combined with 4-way stretch Storm fabric for a close, aerodynamic fit.

    125,83 € 165,83 €
    In Stock
  • MISTRAL, be protected against the wind in all circumstances! This new MISTRAL windbreaker is ideal for changing weather conditions, it will bring you lightness and protection at the highest level!

    145,83 €
    In Stock
  • Ideal for changing weather conditions, this new membraned SIROCCO® windbreaker is tested in tough conditions to bring you the comfort and technicality you need for your long rides! UNISEX wind jacket.

    77,50 € 107,50 €
    In Stock
  • This bike jacket will be perfect for your mid-season and winter rides. Its comfortable reinforced collar will prevent chafing and keep out the wind.

    224,17 €
    Product available with different options
  • Vogue, when fashion and cycling come together! Discover all the shades of grey that make this long sleeve cycling jersey a real fashion statement! A digest of style and unique G4 know-how!

    164,25 € 182,50 € -10%
    In Stock


    In mid-season it is more difficult to motivate oneself and the good cycling equipment to roll in cool conditions, windy and sometimes stormy is frequently sought…

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    Veste hiver

    At G4, we are always looking for maximum comfort on the bike, to get a maximum of pleasure for everyone. After research and prototyping, we designed and developped the ultimate cyclist suit, the one piece integral just for you, which accompany you everywhere....READ NOW

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    Veste hiver

    Our ambassadors, and our customers give you their advice to choose your winter cycling jacket. Several technicity, several ranges to discover, before making the right choice ....follow up!

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