Power Up Long Line Strappy Sports Bra Focused Halter Neck Supportive Sports Bra in Black Oh Polly The 10 Best Longline Sports Bras Black and Grey Checkerboard Longline Sports Bra Etsy. The Anna Kaci sports bra is detailed with a squared scoop halter neckline, and completely low, open back. Features a ruched scrunched back middle seam, and is form fitting throughout. Pair this sports bra with our matching High Rise Adjustable Drawstring Checkered Shorts or High Rise Checkered 7 8 Leggings to finish off the the look. MATERIAL: 73% Nylon, 27% Spandex MEASUREMENTS: Small Bust: 27. 3 30. 7" in Waist: 23. 1 25. 6" in Medium Bust: 30. 7 32. 7" in Waist: 25. 6 28. 3" in Large Bust: 32. 7 34. 6" in Waist: 28. 3 31. 5" in X Large Bust: 34. 6 39. 8" in Waist: 31. 5 35. 4" in