Altra Via Olympus 2 Size: 28.5cm Original Shape Zero Drop Midsole thickness: 33mm, I think? If it's the same as the original 6, it should be 33mm. Please check the website for detailed specifications. I bought these new and only used them for running 3km. I occasionally wore them as sneakers, but I no longer need to wear thick-soled shoes, so I'm selling them. The condition is quite good. How about it?