IFJ_3_2024_synthfabrics_fisher_LYCRA-t400ecomade-hero Ken Norberg July 23, 2024 8 Views Models wearing garments with LYCRA® T400® fiber enjoy lasting comfort, fit and shape from a spandex-free polyester fiber. Models wearing garments with LYCRA® T400® fiber enjoy lasting comfort, fit and shape from a spandex-free polyester fiber.