The Wide Strap Bra from ARQ is a soft gently supportive layer featuring signature bound edges and a pull-over design. We enjoy styling the Wide Strap Bra with our In-House Sweats Collection and favorite jewelry pieces. 92% Organic Cotton / 8% Spandex Made in USA Best fits US cup sizes A through D - many have preferred to size up in this style. Measurements: XSmall: 24-25.5" rib measurement / 28-30" band size / a-d cup size Small: 26-27.5" rib measurement / 30-32 band size / a-d cup size Medium: 28-30.5" rib measurement / 32-34 band size / a-d cup size Large: 31-32.5" rib measurement / 36 band size / a - d cup size XLarge: 33-36.5" rib measurement / 38-40 band size / a-d cup size 2X: 37-41' rib measurement / 39-41 band size / a-f cup size