Support Requirement Calculator
“Low, medium, high” is a marketing tier, not a measurement — the same label means a different thing at a B cup and at a GG. This works the other way round: it starts from how far the tissue actually travels at your size and activity, and tells you the percentage of that movement a construction has to remove.
Units
Snug, level, breathing out.
Fullest point, no compression.
The reduction figure from our Hold Index testing, or a maker’s own published number where it states one.