This silky soft racerback bra fits like a glove. Edgy geometric mesh Pin on SB Racerback Sports Bra Women's High strength Shockproof Women's Mesh Bras Old Navy Women's Medium Support Racerback Sports Bra with Mesh Back WF Shopping. The Anna Kaci sports bra is detailed with a round scoop neckline, thick bands, and elevated seaming. Features a triangular shaped mesh paneling in the back for both breathability and style. MATERIAL: 80% Nylon, 20% Spandex MEASUREMENTS: Small Bust: 24. 8" in Length: 11. 8"in Medium Bust: 26. 4" in Length: 12. 2"in Large Bust: 28" in Length: 12. 6"in X Large Bust: 28. 3" in Length: 13"in