I have already complete two helmet liners which will be donated to members of the Armed Forces. The pattern specifies the use of wool. I had some left over Knit Picks Wool of the Andes for the first one I made and it worked well. Wool of the Andes is worsted weight.
All knitters/crocheters are encouraged to participate in this service project. Completed helmet liners can be dropped off at the Mint Hill Branch Library located on 6840 Matthews Mint Hill Rd.
Travis, my daughter's husband is modeling the helmet liner.