With Copper Fit® Elite Back Support with Airflow Technology, you can customize the compression to the level you need. You can wear it over or under clothes. The comfortable material, fit and breathability make your toughest tasks safer and more enjoyable. Use Copper Fit® Elite Back Support wherever and whenever you need serious back support. One size fits most adult men or women, with a 30" to 50" waist circumference. Welcome! If you found this post by web search, join Poshmark and receive $10 off your first purchase with code JCRYDER8 or follow link: https://posh.mk/t5UShnj4KEb