The straps are 1 3/8" wide and have three adjustable snaps on the front. Really cool!

To ensure a perfect fit, provide the measurement of your chest at widest point, typically just under the pits.

chest at widest point to Between Shoulder-Blades, Going over the Shoulder.

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Provide the measurement of your chest at widest point, typically just under the pits. Draw the tape in a straight line to meet the other end at the center of your chest. As always, have someone else measure you to ensure the most accurate measurement.
 
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