A&E Maxi Lock Stretch Textured Nylon Navy Serger Thread MWN-32456 A&E Maxi Lock Stretch Textured Nylon Navy Serger Thread . Navy 2000 Yard Cone. Soft, Like Yarn Textured Nylon. Great stretch and recovery, Makes soft smooth seams, Ideal for swimwear, lingerie, fitness wear,undergarments.