The sturdy blend of 75% superwash Merino and 25% of nylon means your socks will last, be easy to care for, and also soft! yarns > Cascade Yarns ® > Heritage Wave. Cascade Yarns Heritage Wave is a super-soft yet durable yarn that is machine washable and dryable because of its blend of superwash merino wool and nylon. projects (2858) comments (8) photos (3) editing. colorways. Heritage Sock Yarn by Cascade Yarn is a new kid on the block, but the excellent quality and reasonable prices we expect from Cascade Yarn are clearly present. Heritage has amazing stitch definition and with 437 yards and an array of colours, this yarn â¦ Cascade Yarns Heritage is a lovely sock yarn from the folks at Cascade Yarns. It is composed of 75% superwash wool and 25% nylon for added stretch and durability. Yarn; Viewing as a guest user. What am I missing? All solid colors, Heritage Sock Yarn â¦ The â¦ A silky blend of wool and nylon, Heritage is a pleasure to knit and wear. This yarn is great for one skein projects, â¦ Viewing as a guest user. details. Wonderful Heritage Wave sock yarn from Cascade Yarns. stashes (2999) pattern ideas. Each skein is 100 grams with 437 yards. details. Heritage is a super-soft yet durable yarn that is machine washable and dryable because of its blend of superwash merino wool and nylon. Cascade has always been my best selling brand for sock yarns.