cloudstratus 3 m on running Size:42 The SUB10 model is a

The SUB10 model is a nod to Ironman finishers who have achieved the feat of finishing in under 10 hours

Castelli's exclusive fabric with a hydrophilic electrospun microporous polyurethane membrane

Excellent bottle retention

with just the right amount of support

cloudstratus 3 m on running Size:42 The SUB10 model is aDiscover the On Running Cloudstratus 3 M, a flagship performance shoe! Weighing just 290g and featuring a Double CloudTec midsole for superior cushioning, the updated Speedboard technology, and a Helion superfoam midsole, you'll experience powerful forward roll and ultra soft landings. For added stability, grip, and comfort, the redesigned collar and tongue, along with the stretchy heel lining, provide enhanced support.