New Production Available March '26 As light as "air" [Küki in Japanese] at 172g/6oz (size M) and packs down into the size of a water bottle.
Size: XS-XL
Weight: 178g/6.2oz (size M)
Fit: Expect true to size for men - size down one to two sizes for women.
Sizing Chart: Size Guide
Activity: Run / Hike / Travel / Ski