Kit Archive · Buying Guide
Gear
Wear Japan. Know what you're buying. Explore the history of Samurai Blue kits, find official gear, and learn how to shop Japan's domestic market from overseas.
The Kit Archive
Japan's World Cup shirts, preserved cycle by cycle.
16 profiles · 8 eras · Home and Away
Enter the Kit Archive →
The Buying Guide
Buy the right shirt without getting burned.
Official retailers, authentic versus replica, regional sizing, fake checks, resale markets, and proxy shopping, all in one practical guide.
Buy with confidence →Vintage & Rare
How to search for older Japan shirts without getting burned.
Start the hunt →Japan-Only Finds
Mercari, Yahoo Auctions, domestic retailers, and proxy services.
Open Japan-only shopping →Market and pricing guidance lives in the Buying Guide and is dated editorial assessment, not live stock. Nippon Blue Nation is an independent fan project, not affiliated with adidas, the JFA, or any retailer.