Chelsea Champions Edition Limited Edition Jersey, likely celebrating their 2025 FIFA Club World Cup victory. This is identifiable by the "CHELSEA FOOTBALL CLUB WORLD CUP WINNERS" crest visible on the jersey and the "The Blues" text. 

Design Details: The jersey is black with blue accents and features a map of London subtly integrated into the design, and potentially embroidered details along the sleeves.

Identifying the Exact Jersey: When searching, use terms like "Chelsea 2025 Club World Cup Winners Jersey," "Chelsea Champions Edition Jersey," or "Nike Chelsea FC 2025/26 Home Kit" to find specific versions.