• S
  • M
  • L
  • XL
  • 1X
Size Bust at Fullest Underbust
S 32–35 25–28
M 36–38 29–31
L 39–41 32–35
XL 42–45 36–39
1X 46–49 40–43
2X 50–53 43.5–47
3X 54–57 47.5–51
S 81–89 63–71
M 90–97 72–79
L 98–104 80–89
XL 105–115 90–99
1X 116–125 100–110
2X 126–135 110–120
3X 131–139 120–130
IN CM
  • The Riley is recommended for B cup sizes and up. If you are a very full busty cup, you may want to size up and adjust the band tighter. If you have a smaller chest and broad back, you may want to size down and purchase the band extender. Please follow our size guide measurements.

  • Size up for a relaxed fit in the band.
  • Follow the size guide for a snug and supportive fit.
  • For a looser fitting band, you can add on our band extender! 
See Our Size Guide on How to measure
Still need assistance? Grab a tape measure and email your fullest chest and underbust measurements to dasupport@alcadistribution.com for a free size consultation with our fit experts!