Black and gum R.A.D R-1 in used but excellent condition. Size 8.5 women, 7 men. No longer available on the brand’s website. The R.A.D® R-1 is tuned for gym, HIIT, and run training. Lightweight and breathable SwellFoam N2 midsole for comfort and performance Designed with the athlete in mind, it is a lightweight cross-training shoe built to elevate your workouts. Our SwellFoam N2™ midsole delivers responsive energy return for high-intensity movements and speed work. A generous stack height adds cushioning and comfort, whether you’re racking up reps in the gym or logging miles on the road.