SUBJECT LINE 1 Text: "Your summer wardrobe is missing this" Framework: Curiosity Gap Preview: We just dropped 40+ new arrivals and they are going fast. Characters: 37 SUBJECT LINE 2 Text: "5 summer trends worth actually buying" Framework: Number Preview: No filler — just the looks worth wearing this season. Characters: 37 SUBJECT LINE 3 Text: "Your closet called. It needs a refresh." Framework: Personalization Preview: Summer is here and we have exactly what it is missing. Characters: 39 SUBJECT LINE 4 Text: "Sale ends Sunday. Last chance." Framework: Urgency Preview: Up to 50% off our best-sellers — clock is ticking. Characters: 30 SUBJECT LINE 5 Text: "Stop buying trendy. Buy timeless instead." Framework: Controversy Preview: The pieces that look good in every photo, not just one. Characters: 41 SUBJECT LINE 6 Text: "12,000 women bought this dress last month." Framework: Social Proof Preview: Our top summer piece just restocked — sells out fast. Characters: 42 SUBJECT LINE 7 Text: "Look expensive without spending a lot." Framework: Direct Benefit Preview: Summer style that turns heads — starting at $19. Characters: 37 SUBJECT LINE 8 Text: "The piece you will wear 20 different ways" Framework: Curiosity Gap Preview: Versatile, flattering, and under $40. Characters: 41 SUBJECT LINE 9 Text: "3 outfits. One weekend. Zero stress." Framework: Number Preview: Three complete summer looks — all under $100 total. Characters: 36 SUBJECT LINE 10 Text: "Hot girl summer starts in your inbox." Framework: Personalization Preview: New summer drops are live and selling out fast. Characters: 37 BEST BET: Subject Line 4 — "Sale ends Sunday. Last chance." The 30-character subject shows fully on mobile. For this buying-ready audience, urgency with a specific deadline beats curiosity every time.