THE SPIBELT NUUN Combined with a carbon fiber

Combined with a carbon fiber plate in the midsole

Ringspun: No

Dual layer construction incorporates soft top layer and resilient midsole/outsole for durability and stability

Silver Grey Reflective MIZUNO RunBird Logo

Midsole drop: 12mm

THE SPIBELT NUUN Combined with a carbon fiberThe SPIbelt expands to hold larger smartphones; including the iPhone 13 Pro Max and Samsung Galaxy S20+. This fitness belt is called one of the best running belts for marathon runners, but its use doesnt stop there. It is perfect for walking, working out, travel, medical needs, and so much more. Keeps all your exercise accessories, headphones, keys, ID, and credit cards safe, secure, and close at hand. The SPIbelt expands to carry what you need. Made