Speedy Racerback Bralette Sizing

Ideally garment bust circumference is ~16% smaller than your actual full bust, and similar to your underbust measurement. The pattern includes a modification for adding shaping between the bust and underbust, if you need it. Make sure the size you’ve chosen has an armscye depth shorter than your shoulder to apex measurement, if it’s not, follow the modification document instructions.

Take note of the armscye depth. Compare it to your shoulder to apex measurement (E). Ideally your shoulder to apex measurement should be longer than the armscye. (E) is more easily lengthened than shortened.

Cup sizes start at 1” / 2.5 cm, and go up by .5” increments, up to 3” / 7.5 cm in the smallest size, and 4.75” / 12 cm in the largest size.

The GSR modification document describes how to add additional short rows if needed.

Please see the size chart and schematic in the photos for detailed sizing information.