On boots and gaiters, exposed zippers are often only acceptable if they are located on the inside or back of the leg and color-matched to the material.
There is often debate between what is seen on screen and what costuming clubs require: tmandalorians1hev-zip
For fans and cosplayers aiming for "official" approval, zippers are often permitted but must follow strict concealment rules: On boots and gaiters, exposed zippers are often
If it’s not seen on a Mandalorian on screen, many high-level costuming clubs will consider it a "no-go" for official approval. Despite the "no zipper" myth, they have appeared
Zippers on flight suits or vests must generally be hidden by flaps, velcro, or armor plates to maintain a "seamless" look.
Despite the "no zipper" myth, they have appeared on screen in Rogue One , The Empire Strikes Back , and The Book of Boba Fett .
In the Mando Costume Group , members often discuss how zippers on specific characters (like Ragnar or Paz Vizsla's son) are hidden with fold-over velcro panels.