Nylon based filaments, yarns, and fabrics having improved properties are provided. A filament contains a composite material formed from a (i) a main structural component containing a mixture of one or more base nylons and one or more secondary nylons, and optionally (ii) an additive component mixed with the main structural component. The one or more base nylons may include one or more aliphatic nylons and the one or more secondary nylons may include one or more semiaromatic nylons.