Currently I run in Asics 2130 and it's been great to me. Good room in the toe box, good support, etc. My question is the sizing similar to the Asics 2100 series? I tried on a pair of Rucky Chucky Gtx and felt like I could go a half size smaller than usual. Do those run bigger than the Arnuva 50?

Tech Specs:

Material:

TPU injected saddle, mesh 

Sole:

TNF Tenacious Grip rubber 

Lacing:

Boa Lacing System 

Shank:

X-2 polymer dampening on heel and forefoot 

Recommended Use:

Running, training, marathons, trail running, endurance running 

Warranty:

1 Year 

Country of Origin:

China