High Dorso-Lumbar Back Support for Men with tensioners – GUMPERT was developed according to anatomical shape and to provide high level of stabilization at dorso-lumbar area of spine.
| Size | Waist circumference | How to measure |
| S | 65-75 cm (25,6″-29,5″) |
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| M | 75,5-85 cm (29,5″-33,5″) |
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| L | 85,5-97 cm (33,5″-38,2″) |
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| XL | 97,5-110 cm (38,2″-43,3″) |
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| XXL | 110,5-125 cm (43,3″-49,2″) |
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| XXXL | 125,5-145 cm (49,2″-57,1″) |