Valley Yarns Berkshire is a superbly soft wool and alpaca blend made of a single ply. Berkshire works up to a substantial fabric with beautiful drape and a subtle halo, and outerwear knit in this heavy-worsted weight yarn will keep you warm and cozy. And Berkshire felts like a dream! In our signature colorways, Berkshire is your go-to yarn for garments and accessories, felted, knit and crocheted. Made in Peru.