Real vs Replica
Real vs Fake: How to Legit Check the Undefeated x Air Jordan 4 Retro 2025 (IB1519-200)

The Undefeated x Air Jordan 4 Retro 2025 is one of the most anticipated releases of the year, bringing back the military-inspired color story with updated materials and branding. With high demand and limited availability, early replicas have already appeared on the market. This guide walks you through the key checkpoints so you can quickly compare details and spot inconsistencies.
How to Authenticate the Undefeated x Air Jordan 4 Retro 2025
1. Tongue Front

Authentic: The stitching around the front of the tongue is even, with consistent spacing along the edge.
Replica: The stitching appears more random, and the spacing along the edge is noticeably uneven.
2. Tongue Back

Authentic: On the back of the tongue, the embroidered letter A has a clearly open top.
Replica: The top of the embroidered A is mostly closed, lacking the open gap seen on real pairs.
3. Midsole Stitching

Authentic: The midsole stitching is relatively sparse.
Replica: The stitching is more densely packed compared to the authentic pair.
4. Insole

Authentic: The printed vertical lines in the logo have visible spacing between them. The gaps vary slightly, but the overall layout still looks balanced.
Replica: There is spacing between the lines, but the arrangement looks uneven. The middle vertical lines sit much closer together, almost touching.
5. Box Label

Authentic: On the side label of the box, the letter R aligns directly above the letter K.
Replica: The R lines up above both C and K, indicating a misalignment in the layout.
Quick Undefeated AJ42025 Authentication Checklist
1. Tongue stitching spacing differences
2. Back-of-tongue A embroidery shape
3. Sparse vs. dense midsole stitching
4. Insole logo line spacing and alignment
5. Box label “R” positioning over the correct letter
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球鞋
AJ 喬丹
Jordan 4