NIKIU4686002

NIKE ALPHAFLY 4

279,85€
1 in stock

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Nike Alphafly 4: Lightweight Racing Marathon Shoe

The Nike Alphafly 4 is a shoe designed exclusively for marathon racing. It is not a shoe for everyday training, but a specialized tool designed for runners looking to optimize their performance over 42 kilometers.

Weight: a real 187-gram advantage

At 187 grams in a men's size 9, it is 14 grams lighter than the previous version. In a marathon, that weight matters. At kilometer 35, when fatigue sets in, those fewer grams make a tangible difference in how the shoe feels and in your ability to maintain your pace.

ZoomX LT foam: the best weight-to-responsiveness ratio

The main foam is ZoomX LT, the lightest version Nike makes. ZoomX is an elastic PEBA-based material that returns energy when you step. Beneath it is a layer of standard ZoomX that provides additional protection. This system combines lightness with the energy return you need in a fast marathon.

8-millimeter drop: optimized geometry for speed

The drop (height difference between the heel and forefoot) is 8 millimeters. It is a mid-range value, neither very low nor very high, designed to promote a natural foot position and facilitate propulsion without compromising stability in a long race.

Cushioning height: strategic protection

The heel has 40 millimeters of foam, while the forefoot has 32 millimeters. This difference is deliberate: the heel receives the initial impact when you step, which is why it has more protection. The forefoot is more responsive, making it easier to push off and transfer energy forward.

Flyplate: efficient energy transfer

A Flyplate carbon fiber plate runs through the sole. This plate is rigid and does not flex. Its function is to transfer the energy you generate when you step into forward motion with maximum efficiency, as well as to stabilize the soft foam, which is highly compressible.

84% energy return: proven efficiency

Tests show that the shoe returns 84% of the energy it absorbs. This is a very high value. In a marathon, where you take approximately 40,000 steps, that cumulative efficiency is significant. The shoe actively assists your movement.

Fit: snug design designed for racing

The last is snug, especially in the toe box. It is a design specifically for competitive athletes, not for everyday training.

Limited stability but maximum efficiency

Due to its high and soft platform, lateral stability is not its strong point. It is a deliberate trade-off: you gain lightness, cushioning, and energy responsiveness in exchange for stability. That is why it is for asphalt, not for technical terrain, trails, gravel, etc.

Who is it for?

For experienced runners looking to improve their marathon time. For those who want a shoe that returns energy and is very light. For marathon runners willing to train with another shoe and use this only for high-quality speed workouts and official competition.

    Discount coupon

    In this article using the code: SSPSU8

    *Discount applicable to this item on its original price. Not combinable with other promotions, discount. Valid until 05/15/1014 or while supplies last.

    Shipment

    Once it leaves BIKILA, the transport company will deliver it to your home in 24 hours. (working days if it is directed to Spain or mainland Portugal). Find more information about shipping here.

    At BIKILA we work mainly with the transport agency CORREOS EXPRESS
    in service 24/48 hours. for deliveries in Spain and mainland Portugal.

    Returns & Exchanges

    We know the fear of buying a product online without trying it first. Therefore, if a product is not suitable for you, don't worry, you can easily exchange or return it by fulfilling different possibilities to send us the product through the form. You have up to 14 days after receiving your order to inform us of any changes or returns here.

    Store Pickup

    In your shopping cart you can choose the possibility of purchasing from bikila.com and collecting your order at a BIKILA store. This service is completely free and there is no minimum order to use it.

    When the store has your order available, it will call you so that you can come pick it up within a maximum period of 6 days. Additionally, in the store you will receive the most specialized technical advice.

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