Vivid Casual Shoes is crafted with Tailoring in Mabinogi (shoes). This page lists everything needed to make it, checked against the game as it exists today. The interactive planner lives in the Tailoring Companion.
How to get the sewing pattern
The sewing pattern is rank 2 and survives 30 uses; every crafting attempt spends one use.
Guardian of Partholon: Clear Guardian of Partholon through Sinead's secret mission board in Tara.. Requires a Guardian of Partholon Pass matching the difficulty chosen.
Materials
Expect about 9 attempts per finished item (12% average progress per attempt). Per-attempt materials are consumed on every attempt; finishing materials once per item.
Each attempt uses
4× Fine Leather — fragmentation of Fine Leather Strap (or weaving byproduct)
3× Braid — low-rank Weaving skill output
Finishing (once per item)
3× Finest Finishing Thread — Buy directly from any general goods NPC shop.