Nike T-shirt PSG M Nk Crest Tee " (transliteration of PSG, size M, Nk Crest Tee). This is a direct translation of the product name. However, the request is for *only* the translation. So I should provide just the translation. "T-shirt PSG M Nk Crest Tee " is a product title, likely from a product listing or description. "T-shirt " is a common term in Greek, "μπλουζάκι " is the direct translation. "PSG " is also a common term, often used as "Π.Σ.Γ. " (Πολυτελής Σπορ ομάδα) or just "PSG ". "M " is commonly used as "μεγέθους Μ " or "Μέγεθος Μ ". "Nk " is likely a brand or series name, which is often transliterated or kept as is. "Crest " is "εμβλήματος " or "σήμα ". "Tee " is "μπλουζά