Oh yeah, Fisherman’s wool dyes well and felts great! You should have great luck with that. 
Mostly, if it’s 100% wool and it’s NOT superwash wool (or machine washable), it should dye and felt with no problems.
Oh yeah, Fisherman’s wool dyes well and felts great! You should have great luck with that. Mostly, if it’s 100% wool and it’s NOT superwash wool (or machine washable), it should dye and felt with no problems.