Shapeez Tankee Long: Back-Smoothing Bra Ultra-Comfortable Tank-Style Underwire Foam-Cup 85% Nylon, 15% Lycra No bra band or closure TANK-STYLE: Features a low back neckline and cut-in shoulders that make it invisible under all your sleeveless and tank styles. SUPPORT: An integrated underwire bra provides perfect support, and our front adjustable straps won't fall down. COMFORT: The Tankee Long features our 4-way-stretch nylon-lycra MOISTURE-WICKING fabric to keep you cool and dry during any activity. BACK SMOOTHING: Our patented smooth-back design has no bands or closures, leaving you without any back bulges and no visible bra lines, while the longline, camisole design of The Tankee Long slims the waist, tummy and lower back, eliminating the dreaded "muffin top". BRA SIZING: For more than a decade, Shapeez has perfected bra sizing with an easy and reliable two-step measuring process that does away with complicated formulas, while our extensive size range provides a consistent fit throughout our entire product line. (See our SIZING CHART ILLUSTRATION in our product photos). So no matter what your size, we've got your back - and your cup.