VJ Spark is a lightweight, fast attack shoe.  With a combination of an EVA midsole and legendary VJ grip featuring butyl rubber, the Spark will help you fly like never before.  The all-new, breathable mesh nylon upper is designed for comfort and breathability.    The wider toe box gives your foot plenty of room for the long haul, while the semi-gusseted tongue and FitLock secure the shoe to your foot.  

Use the Spark for short, fast work - either on training days, or for racing.  You will feel a solid connection to the terrain you are on, bringing confidence in your step and speed to your stride.  Or, use the Spark for longer, hillier runs where grip and the lower weight will give you an advantage. 


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  • Comfortable racing fit secures your foot for fast turnover
  • Breathable nylon mesh upper
  • Partially gusseted tongue 
  • Full-length custom EVA blend midsole 
  • FitLock for midsole stability 
  • The outsole is 100% Butyl-rubber
  • Strengthened rubber toe-cap
  • 5 mm aggressive lugs in the outsole
  • 27 mm / 22 mm stack height - total with lugs
  • 5 mm drop
  • Weight (US M9.5): 8.95oz (254g) 

Customer Reviews

Based on 44 reviews
Lincoln Weis

They were the first shoe that wasn't even close to my foot fitting into a size 11 I tried two sizes and ultimately just too small I did purchase the xtrm and fits great

Dena Lamb
Spark trail shoes

I had really high hopes for the trail runners. Unfortunately, I found them to be very uncomfortable. I had originally exchanged for a larger size (they run extremely small) but even with proper sizing, I had SEVERAL blisters and hot spots. The ground grip was great, but again, comfort level terrible and I literally felt every stick and rock underfoot.


The Spark is designed for Ground Feel with no rock plate and a responsive midsole! The fact that felt the ground underfoot is by design.

Reviewer avatar
Cole D
Awesome trail or OCR shoe! Built for racing fast

This shoe is built for racing your best! I particularly use this shoe for shorter races- 10k and below. It is super lightweight and responsive in some of the most difficult terrain! The foot turn over is fast allowing me to really accelerate in and out of obstacles and turns. Super breathable upper is great for all conditions and helps shed water quickly! An awesome racing shoe!!

Best OCR shoes I have worn

If you want a lightweight, breathable, responsive, and grippy shoe, this is it. Honestly by far the best most grippy shoes I’ve used so far in racing. They are 100% meant for racing, and a great training shoe

Kelly Johnson
Four and a half stars

I found the Spark to be really light and comfortable. The grip was good on dirt, sand and rocks. Arch support was good. The forefront of the sole could use more support. Adding my additional green insoles helped blunt the foot strike impact. My longest run so far in the Spark has been only 6 miles. It’ll be interesting to see how they do on longer distances. The shoes fit me true to size even with the extra insole, I wear my running shoes snug.