Black leather cap-toe work boot prototype inspired by early American service and work boots, shown in side view.

PRODUCT NO. 1 — Prototype

The 5th Prototype represents the current stage of Product No.1, developed through repeated fitting, measurement, and comparison with historical references.

By the 5th Prototype, the fundamental proportions of Product No. 1 had largely taken shape. The remaining work focuses on refining smaller details before the final prototype.