From Hari Ito Lingerie:
The Geminus panties pattern is two patterns in one; a “maxi” layer and “mini” layer that can be combined together or sewn separately. You can create unique fabric and color combinations based on your choice of materials; the possibilities are endless! Geminus panties are a double layered panty. It features loads of possibilities in combining fabrics, laces and mesh.
Recommended Fabrics: stretch fabric, such as bamboo jersey, stretch mesh, stretch tulle, Lycra, etc.
Skill level: the Geminus Panties are recommended for intermediate sewers, or confidant beginners who like a challenge.
Sizes: The Geminus panties are available in sizes EU 34-52.