Simple Toe-Up Socks Using Regia 6-Ply"Make durable sport weight socks!" We love knitting socks from the toe upit lets you use every last inch of yarn! And knitting the heels in afterwards means that they are easy to replace later if they wear out (but that will be a long time from now, given the famous durability of Regia 6 ply!) Be sure to see the "Knitter's Notes" for a helpful perspective.