After testing the YIANNA Waist Trainer for weeks, here’s my brutally honest take. Spoiler: It’s a love-hate relationship.

First Impressions: The latex material feels sturdy yet flexible, and the 3-row hook closure lets you adjust compression as you progress. I started on the loosest hook and moved inward within weeks—hello, visible waist definition!

Comfort Level: Surprisingly wearable for 8+ hours, but bending? Forget it. Steel bones keep posture perfect but turn you into a rigid mannequin. Pro tip: Size UP if between sizes (I learned the hard way).

Sweat Factor: This thing is a sauna suit in disguise. Great for workouts, but prepare for puddles. The nylon inner layer wicks moisture decently, but latex allergies? Test first—I got a rash despite no prior history.

Results: Combined with Pilates, I lost 2 inches in 6 weeks. But solo? It’s a glorified shapewear—don’t expect magic. The XXL-to-S reviewer? She paired it with diet and CrossFit.

Annoyances: Back fat spillage is real (layer with loose tops), and the underbust edge digs in after 5 hours. Also, hand-wash only—because who needs convenience?

Final Verdict: 4/5 stars. Ideal for postpartum recovery or events, but not a lazy girl’s shortcut. Worth the $28? Absolutely—if you’ll actually work out in it.