nano・universe Multi-functional Material Double Jacket Double jacket with a sophisticated look and hidden multi-functionality [2025 SS] NANO universe (nano・universe) Double jacket made from a cool, linen-like material. Features include anti-wrinkle, UV cut, cool-to-the-touch, and quick-drying properties. Purchased on Mercari. Reportedly used for a short time. Since purchasing, I have only tried it on at home.