Women's Perfect Tri Racerback Tank Size guide

Bust Body Length at Back
Small 16.25 26.5
Medium 17.25 27
Large 18.75  27.75
X-Large 20.25 28.5
XX-Large 22 29

BUST

Measured across the chest one inch below armhole when laid flat.

BODY LENGTH AT BACK

Measured from high point shoulder to finished hem at back.