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I'm going through same thing. I have a clam one man thermal. 2 back pieces have holes worn in from dragging. Aside from that pullover is mint. Kind of disappointed. I take good care of my gear, this hub has been used 2 seasons for a total of maybe 15 to 20 trips. Only time it was cold is the season. Other than that it was stored in a heated basement 8 months out of the year. Wanna fix to save for my son or sell it. I mean the fabric, poles, windows, seat are all like new.
Just buy a replacement sled and install the Hyfax runners on it.