Octa™ is an exceptionally unique polyester fiber with a distinctive, highly modified cross-section with eight projections aligned in a radial pattern around a hollow fiber. The octopus-like appearance, Octa™ fiber is targeted to fall and winter middle layer, lining materials for outerwear in fashion and outdoor industries. The spaces between the projections preserves body heat to give extra warmth. Octa™ unique fiber construction contributes to quick drying, airy texture as fabrics with 50% lighter weight than regular polyester material!! Feel the airy insulating material Octa™