Nathan Size Chart
Pinnacle 12 Liter Hydration Race Vest
HOW TO MEASURE
UNISEX SIZING: With arms relaxed down at the sides, measure circumference of chest at bottom of sternum.
| STERNUM | |
| XS | 83.8cm - 88.9cm |
| S | 91.4cm - 96.5cm |
| M | 99.1cm - 104cm |
| L | 107cm - 112cm |
| XL |
114cm - 119cm |
STERNUM: With arms relaxed down at the sides, measure circumference just below chest bone, keeping tape parallel to floor.
BUST: With arms relaxed down at the sides, measure the fullest part of bust/chest, keeping tape parallel to floor.
*NOT SEEING YOUR SIZE? EXPLORE OUR UNISEX FIT OPTIONS
| STERNUM | BUST | |
| XXS | 71.1cm - 73.7cm | 81.3cm |
| XS | 76.2cm - 78.7cm | 86.4cm |
| S | 81.3cm - 83.8cm | 91.4cm |
| M | 86.4cm - 88.9cm | 96.5cm |
| L | 91.4cm - 94cm | 102cm |
| XL | 96.5cm - 99.1cm | 107cm |
UNISEX SIZING: With arms relaxed down at the sides, measure circumference of chest at bottom of sternum.
| STERNUM | |
| XS | 83.8cm - 88.9cm |
| S | 91.4cm - 96.5cm |
| M | 99.1cm - 104cm |
| L | 107cm - 112cm |
| XL | 114cm - 119cm |
HOW TO MEASURE
STERNUM: With arms relaxed down at the sides, measure circumference just below chest bone, keeping tape parallel to floor.
BUST: With arms relaxed down at the sides, measure the fullest part of bust/chest, keeping tape parallel to floor.
*NOT SEEING YOUR SIZE? EXPLORE OUR UNISEX FIT OPTIONS
| STERNUM | BUST | |
| XXS | 71.1cm - 73.7cm | 81.3cm |
| XS | 76.2cm - 78.7cm | 86.4cm |
| S | 81.3cm - 83.8cm | 91.4cm |
| M | 86.4cm - 88.9cm | 96.5cm |
| L | 91.4cm - 94cm | 102cm |
| XL | 96.5cm - 99.1cm | 107cm |