Ergodyne ProFlex 2000SF Back Support Brace is $28.88 at Amazon, down from the store's own list price of $51.55. That's 44% off ($22.67 less). We last checked this price on Nov 5, 9:47 PM ET. Prices at the store can change at any time, so check before you buy. Brand: Ergodyne. Type: Safety & PPE. Picked for all trades.