OPI MLB Collection Nail Polish 15ml in 7th Inning Stretch is a deep slate-blue frost with a soft metallic shimmer — a dressed-up navy that lifts in light and reads as cool, polished and grown-up on the nail. The shade was part of OPI's limited-edition Major League Baseball collection, the brand's first-ever pro-sport licensing partnership, and remains a favourite for autumn-into-winter manicures.
About OPI
Founded in California in 1981, OPI grew from a small dental supply company into one of the most recognisable nail brands in the world. The MLB Collection — released as a seven-shade capsule — extended the brand's love of pop-culture-led collections to American sport, and the names (You're Such a BUDapest, Wrestler Up!, 7th Inning Stretch) are pure OPI.
Key features
- Shade: 7th Inning Stretch — deep slate-blue with a metallic-frost finish.
- Coverage: Full coverage and high shine in two coats.
- Long-wear formula designed to resist chipping with a top coat.
- 15ml standard bottle with the OPI Pro Wide brush for clean, even strokes.
Who it's for
This shade suits anyone who loves dark blue and navy nails through autumn and winter — a sophisticated alternative to plain black. The metallic finish elevates it from "everyday navy" into a more polished, evening-friendly colour, equally at home with smart workwear, evening dresses, and party-season looks.
How to use
- Start with clean, dry nails; gently push back the cuticles.
- Apply a single coat of base coat and let it dry for around a minute.
- Apply the first thin coat of 7th Inning Stretch, working from cuticle to tip in three strokes.
- Allow two minutes to dry, then apply a second coat for full opacity.
- Finish with a clear top coat for shine and chip protection.
Specifications
- Size: 15ml (0.5 fl oz)
- Shade: 7th Inning Stretch (slate-blue frost)
- Finish: Metallic / shimmer
- Brand: OPI
- Collection: Limited edition MLB
A grown-up navy with a soft metallic glow — the kind of shade that becomes a cooler-weather wardrobe staple.
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