alpinestar? couple options i sent mine a couple years ago to a star was about $150 for new soles. other option i have herd a lot of guys use http://mxbootrepair.com/ I personally filled my dents with shoe goo to hopefully get one more season
I've ordered new Sidi soles for $20 from RevZilla and am going to have a local cobbler install them. I've read this works well.