Size Charts for ZIPPKOOL Cooling Vests/Jackets
| HVN-500U/HVN-510U* High Visibility Cooling Vest (YELLOW) | ||
| ZIPPKOOL SIZE | Height Range | Weight Range |
| S/M | 5'4 - 5'8 | ~165 pounds |
| L/XL | 5'7 - 6' | ~200 pounds |
| 2XL/3XL | 5'10 - 6'3 | ~230 pounds |
| 4XL/5XL | 6'1 - 6'4 |
~280 pounds |
| 6XL/7XL* | 6'3 - 6'7 |
~340 pounds |
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HVN-500U High Visibility Cooling Vest (ORANGE) |
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| ZIPPKOOL SIZE | Height Range | Weight Range |
| S/M | 5'6 - 5'10 | ~180 pounds |
| L/XL | 5'7 - 6' | ~200 pounds |
| 2XL/3XL | 5'11 - 6'5 | ~250 pounds |
| BM-500U/BP-500N (Long Sleeve Cooling Jackets) | ||
| ZIPPKOOL SIZE | Height Range | Weight Range |
| S (Labeled L) | 5'4 - 5'6 | ~150 pounds |
| M (Labeled XL) | 5'6 - 5'8 | ~165 pounds |
| L (Labeled 5L) | 5'7 - 5'11 | ~185 pounds |
| XL (Labeled 6L) | 5'10 - 6'1 | ~200 pounds |
| 2XL (Labeled 7L) | 5'11 - 6'3 | ~220 pounds |
| 3XL (Labeled 8L) | 6'1 - 6'4 | ~250 pounds |
| BMK-500U (Short Sleeve Cotton Vest) | ||
| ZIPPKOOL SIZE | Height Range | Weight Range |
| S (Labeled L) | 5'4 - 5'6 | ~150 pounds |
| M (Labeled XL) | 5'6 - 5'8 | ~165 pounds |
| L (Labeled 5L) | 5'7 - 5'11 | ~185 pounds |
| XL (Labeled 6L) | 5'10 - 6'1 | ~200 pounds |
| 2XL (Labeled 7L) | 5'11 - 6'3 | ~220 pounds |
| 3XL (Labeled 8L) | 6'1 - 6'4 | ~250 pounds |