I'm debating getting either a pair of these or a pair of Diors. What do y'all think?
They are completely different kinds of jeans. Dior jeans are more for those who want a skinny, modern fit, and their denim and construction details are nowhere near as unique as what you would see on a pair of Samurais. Samurai makes looser cuts than Dior and are more for denim enthusiasts who are into the construction details and denim quality of a pair of jeans.
How much do the leg openings shrink when you hot or cold soak a pair of 710's?
About a half-inch on average, IME.