The build quality is perfectly fine, although the purse something "soggy", but that does not bother me. It is precisely in substance, who wants something more solid, should resort to leather. Leather wallets however play in a different price league.
Problems with the coin way, I have not, the coins stay in it all. Even with a shaking he kept the charge.
Compared to the Eastpak There is one big gripe: the purse is very compact. I'll be very difficult in the bill pocket and the coin is not as easily accessible. I'd Dakine described as American, debit and credit card payers are at an advantage when it comes to handling. Cash is rather intended as payment for an emergency.