Seamless interior eliminates chafing points

This spike is unisex sizing, size selection is in Men's sizing. See size conversion chart below.

Toeing the starting line for the 1st time? Chasing a personal record after years of racing the field and the clock? Run down your goals and your opponents in the Zoom Rival 6. Newly implemented, full-length ZoomX foam adds consistent burst to your stride. The mesh upper keeps you comfortable through the tape while the midsole helps keep you stable during those long, grueling mid-race miles in any condition.

Speedy Return

Full-length ZoomX foam optimizes resiliency and energy return while staying lightweight.

Weather Ready

Full-length Waffle outsole pattern grips various surfaces and terrain.

Run the Distance

Soft and slightly stretchy mesh helps keep you comfortably going for miles. Thin speed laces have a knit-in texture that helps keep knots more secure than traditional laces. Lugs around the outsole help enhance grip in multiple conditions.

unisex sizing:

?C Men??s 3.5 = Women??s 5
?C Men??s 4 = Women??s 5.5
?C Men??s 4.5 = Women??s 6
?C Men??s 5 = Women??s 6.5
?C Men??s 5.5 = Women??s 7
?C Men??s 6 = Women??s 7.5
?C Men??s 6.5 = Women??s 8
?C Men??s 7 = Women??s 8.5
?C Men??s 7.5 = Women??s 9
?C Men??s 8 = Women??s 9.5
?C Men??s 8.5 = Women??s 10
?C Men??s 9 = Women??s 10.5
?C Men??s 9.5 = Women??s 11
?C Men??s 10 = Women??s 11.5
?C Men??s 10.5 = Women??s 12
?C Men??s 11 = Women??s 12.5
?C Men??s 11.5 = Women??s 13

Nanonylon reinforcement threads strengthen high stress zones