STORY mfg.'s helix jacket is inspired by the boxy proportions and pockets of a vintage helicopter mechanic's jacket. The surface pattern is achieved through an artisanal folded and clamped resist method, and then hand-dyed with babul bark and madder root. Some of these dyes, such as the madder root, have been used as a herbal medicine for centuries. Story mfg. – Helix Jacket Bark Pink Lunar Clamp | Highsnobiety Shop