Designed for the biggest stage, the Harlequins 2026/27 Big Game 18 Pro Shirt combines elite-level performance technology with a bold Flux-inspired graphic that celebrates the movement, energy and intensity of rugby. Featuring innovative glow-in-the-dark detailing, the jersey absorbs light throughout the day before coming to life under stadium lights. The darker the stage, the bigger the pop, ensuring Harlequins shine brightest on rugby's biggest occasion.

• Glow-in-the-dark phosphor detailing
• Breathable AERTEK performance fabric
• Self-fabric collar with bar tack reinforcement
• Raglan sleeve construction for unrestricted movement
• Cut-and-sew underarm panels and cuffs
• Angled side seams with ergonomic side body panels
• Sublimated Harlequins crest and Castore branding