asics

Heat Sprint FR8 Evaluation Review

¥15,400(including tax)
  • A beginner model spike specialized for short-distance running
    An entry model that is suitable for anyone
  • Seamless upper structure that creates a strong sense of hold
    With a seamless structure that wraps the forefoot in a single fabric, you can feel a strong sense of hold as your entire foot is enveloped.
  • Double upper with belt and fixed cord that provides outstanding stability
    High fit/stability allows for stable ground contact.
  • Flexible plate that accommodates all short-distance events
    The plate is neither too hard nor too soft, making it suitable for 100m to 400m, hurdle events, and all short-distance events.
Spike Name
Heat Sprint FR8
Price
15,400 (including tax)
Weight
185g (one shoe, size 26.0cm)
Applicable events
100m, 200m, 400m, 110mH, 400mH
Compatible environment
Turf compatible
Spike Pins
12mm×7
Shoelace type
With laces, with strap
Upper Material
Synthetic leather / synthetic fibers
Sole Material
Synthetic sole
Size
23cm ~ 29cm
Competition level
beginner
Recommended for such people
Suitable for those who have just started short-distance running but are unsure which spike to wear.  
It is recommended for those who want to receive a solid rebound from the ground!  
Since it is a spike that anyone can easily handle, I don't think you will regret trying it on!

Features

Wraps around the entire foot for a strong hold

The upper is secured with shoelaces.  
The biggest feature of this upper is its seamless structure that wraps the forefoot in a single piece of fabric.  
This allows the entire foot to be enveloped, resulting in a strong sense of hold, enabling you to transmit power to the ground without lateral movement when accelerating.  
As a result, you can run without your foot shifting inside the spike even on the curved surfaces of high-speed races like the 200m or 4x100m relay.  
Additionally, there is a belt separate from the shoelaces, allowing for a strong fixation including the ankle.  
Breathability is ensured with mesh fabric in the midfoot area. Being a spike more on the entry-level side, it is relatively easy to wear and does not select users.
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Entry-level model suitable for everyone

As it is a spike from a domestic manufacturer, the shape of the toe is made slightly wider for easier wear by Japanese people.  
Compared to other beginner-level spikes, the width of the shoe is made slightly narrower,  
but it is designed so that even those with slightly wider feet can wear it without feeling cramped.  
If you are a player with wider feet and find that overseas brands like Nike, Adidas, or Puma do not fit, I recommend this one.  
The heel area has a smaller taper compared to spikes for intermediate to advanced users, which may cause blisters for some individuals.  
For those who want a strong fit including the heel, I recommend New Balance's short-distance spikes or Mizuno's Geo Versus series.
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The ultimate form for both dirt and track

The pins are replaceable from the toe in a 1-2-3-1 arrangement, totaling 7 pins.  
The pins are evenly distributed to follow the toes, effectively reducing foot movement upon landing and ensuring a strong grip on the ground.  
Since the dirt ground is more slippery than all-weather tracks, this structure provides solid support for the user's landing.  
The plate is neither too hard nor too soft, and it has flexibility, making it suitable for all short-distance events including 100m to 400m and hurdles.  
A highly resilient plate called SPEVAFOAM is used from the toe to the midfoot, while the heel is made from SOLYTE, a lightweight material also used in marathon shoes.
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The sole of a true intermediate spike

The curvature of the sole has a slight incline compared to spikes designed for flat ground contact.  
This structure allows the center of gravity to naturally shift to the forefoot, supporting athletes who struggle with weight transfer.  
Therefore, it is also suitable for those who perform a solid landing and take-off motion.  
Additionally, compared to spikes for advanced users, the plate is softer, making it easier for anyone to handle and reducing fatigue.  
Conversely, if you have the skill to naturally shift your center of gravity, this incline may cause discomfort during landing.
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