Fit Guide

  • Find the On Gossamer Bra that is perfect for you:

    1. Measure band size

    Remove your upper garments, but leave your bra on. Make sure you are wearing an unpadded bra. Measure around your rib cage, below the bra. Keep the tape snug and flat across your back. Round the number to the nearest quarter inch.

    2. Measure Bust size

    Measure at the fullest width of the bust, keep the tape in place but not too snug. Round the number to the nearest quarter inch.

    3. Get Your Results

    Calculate

    Your bra size:

    Shop your size Start Over

  • If the back of your bra is riding up....

    Your band might be too loose. Try tightening the band to the next hook, if possible. Another option is to go up a cup size and try a smaller band.

    If your bra won’t lay flat against the center of your chest…

    Your bra cup size is too small. Try a bigger cup size so your bra lays flat.

    If the underwires are poking you…

    Your cup size is too small. Try going up a cup size.

    If your straps are digging into your shoulders…

    First, try to loosen up the straps. If that doesn’t work, your cup size might be too small and you should try going up a size.

    If the back of your bra is riding up....

    A strapless bra’s main support comes from the band. First, test the bra by making sure your band sits evenly across your body from front to back. Next, lift your arms, the band shouldn’t move or shift when you do so.

    If you’re packing your bras for travel…

    Take all the bras you’re packing and layer them on top of one another while they’re open. Place a pair of socks in the cups of the bottom bra. By doing this, you will be able to make sure the cups will keep their shape.

    If you’re not sure about the fit of your bra…

    Follow these six guidelines: 1. The top of the cups should hold your breasts without bulging or gaping. If there is bulging, the cups are too small or your straps are too tight. Adjust accordingly. 2. Underwires should follow the edge of your ribcage, below your chest—not on it. 3. Bra bands should be snug, keeping the bra cups and underwires in place. 4. The bra band should fit horizontally across your back. If your band rides up in the center, it could mean that the weight of your breasts is pulling the band up and the band is too large. If this is the case, go down a band size. 5. The center front of your bra should lie flat, pinned close to the breastbone. 6.You should only be able to fit two fingers under your bra strap when it is correctly adjusted.