Quality Analysis
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Quality Control Inspection Report: Black Patent Leather Sneakers with Red Accent
This comprehensive QC report analyzes a pair of black patent leather sneakers featuring distinctive red accent details. The inspection focuses on material quality, construction integrity, and overall craftsmanship to determine if this pair meets acceptable quality standards for streetwear enthusiasts.
Material Analysis
The patent leather upper exhibits consistent gloss finish across both shoes with no visible scratches, clouding, or dull patches. The leather maintains uniform thickness throughout the toe box, side panels, and heel counter. Red accent materials (likely synthetic leather or TPU) show vibrant color saturation without bleeding into the black areas. The contrast stitching between black and red elements appears clean with minimal thread overlap.
Construction Assessment
- Stitching: All perimeter stitching shows consistent 6-7 stitches per inch with uniform tension. No loose threads or skipped stitches detected in critical stress areas (toe cap, eyestay, heel).
- Glue Application: Minimal glue residue visible along sole-to-upper junction. No excess adhesive on patent leather surfaces that could cause discoloration.
- Midsole/Outsole: Rubber outsole shows clean molding with sharp tread pattern. No separation between midsole and upper at any point.
- Symmetry: Both shoes measure within 2mm tolerance for length, width, and height. Red accent placement matches perfectly left to right.
Flaws Identified
Minor imperfections include: slight texture variation in patent leather on left shoe medial side (barely noticeable), and one small air bubble (1mm) in right shoe's clear outsole window. These do not affect structural integrity or overall appearance significantly.
Overall Verdict
This pair demonstrates above-average craftsmanship with premium materials properly executed. The minor flaws present are within acceptable range for production variations. Recommended for GL (Green Light) approval.
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