Low-Density Yarn Products and Methods of Making Same

Disclosed are low-density yarn products, articles of manufacture that include such yarn products and methods of making such yarn products. The yarn products may be used for insulation, as for example in apparel or other articles, including building structures or any other application requiring temperature control. The yarn products may be a twisted yarn product that can include a core yarn and a low-density overfeed yarn of large loops protruding from the core and a binder yarn twisted around the core to hold the low-density overfeed yarn of large loops in place on the core yarn.