Armor Boot Replicas
From Inkipedia, the Splatoon wiki
The Armor Boot Replica is a type of shoes in Splatoon. It is a 3-star item produced by Cuttlegear and comes with the main ability Ink Saver (Main).
Appearance
Unlock
This item cannot be purchased. Instead, the player must reach Level 35 and talk to Judd, where he will give the player the item.