Review on New Balance Track Sulphur Yellow Sports & Fitness by David Perry

Excellent studs, very light. So light that I cut my PR by 6 seconds per mile. Super comfortable. I prefer to use them on rubber tracks without spikes as your feet don't roll as much. The mesh upper is stiff and literally fits like a sock. Personally I find the inside is too rough to wear without socks, thin socks work very well. Although Brooks made them for runs in excess of 3200m, they are still light and responsive enough for 1miles, although I have a forefoot landing so your experience may vary depending on your 1mile running form. I don't recommend it to beginners who haven't found their niche yet. They are designed for endurance racing and will not perform as well as other spikes at 400, 600, 1200.