Whether it’s in blistering heat, a howling blizzard, sand, mud or hurricanes, Spartans never stop training and racing. We worked with Craft to create the best OCR shoe that’s as unbreakable as you.
The 5mm drop RD Pro has an ARC-foam™ midsole that provides a fast and responsive, race-tuned ride. Hydrain™ evacuates water fast, while a one-piece upper made from KPU (found on safety shoes) and technical mesh provides insane-level durability, while staying flexible. The OBSTA-tech™ outside rounds out a best grip shoe, including up and down while climbing.
Specifications:
SIZE CHART
*** Sizes listed are US sizes. Please reference the size comparison chart below for international sizes.
| US | UK | EU | CM |
| 6 | 4 | 37 | 23 |
| 6.5 | 4.5 | 37.5 | 23.5 |
| 7 | 5 | 38 | 24 |
| 7.5 | 5.5 | 38 3/4 | 24.5 |
| 8 | 6 | 39.5 | 25 |
| 8.5 | 6.5 | 40 | 25.5 |
| 9 | 7 | 40 3/4 | 26 |
| 9.5 | 7.5 | 41.5 | 26.5 |
| 10 | 8 | 42 | 27 |
| 10.5 | 8.5 | 43 | 27.5 |
| 11 | 9 | 43.5 | 28 |