FLEX promo codes — September 2026

4 working codes · 26% average savings

Sitewide

Verified

10% OFF FLEX

Unlock a 10% discount across the site by using this promo code!

Est. Savings~$25 on $160

Sales, Deals And Clearance

No Code

Up to 9% OFF FLEX

Take advantage of up to 9% off select items at FLEXFits!

Est. Savings~$20 on $170

Sales, Deals And Clearance

No Code

$5 OFF FLEX

Receive $4.98 off the Day & Night Disc Kit at FLEX for relaxed protection!

Est. Savings~$18 on $170

Sales, Deals And Clearance

No Code

$3 OFF FLEX

Enjoy a $3 savings on the Reusable Disc Starter Bundle at FLEX for eco-friendly comfort!

Est. Savings~$14 on $160