New ASSOS Type A.360 compression Spandex. 6-panel, ASSOS AEPD (Advanced Ergonomic Pattern Design). Elastic Interface, no-friction insert. The FI Lady insert has been developed specifically for and together with ladies. Over the course of 2 years of design and field testing under various conditions, we have developed the first lady-specific Elastic Insert. Probably the most extensive research program ever conducted on a performance lady short.