Womens Performance Sizing Chart, Reader Friendly

Chest measurement is circumference around the fullest part of the chest

Waist measurement is circumference of narrowest part of waist

Size extra small 30 to 31 inch chest 24 to 25 inch waist 

Size small 32 to 33 inch chest 26 to 27 inch waist

Size medium 34 to 35 inch chest 28 to 29 inch waist

Size large 36 to 37 inch chest 30 to 31 inch waist

Size extra large 38 to 39 inch chest 32 to 33 inch waist

Size double extra large 40 to 41 inch chest 34 to 35 inch waist