Removing the buckle to change belt size without knowing how to remove it is extremely difficult. But one day I accidentally unzipped it while trying to unzip it and seeing how easy it was to take it off made me even more angry that the seller didn't explain anywhere how to do such a simple thing. It's not obvious when you look at it. Instructions: 1. Turn the belt over so you are looking at the back of the buckle. 2. Hold the buckle with one hand and the strap with the other. 3. If the belt is pinched at the back of the buckle, slide the belt towards the buckle (it looks like the belt has nowhere to slide forward, but there is just no space inside the buckle to see) . where the belt is pressed against it because the yoke is clearly closed). This will open the small clamp. See the photos I've attached. (Only one hand is visible in the photos because someone had to hold the camera). By the way, the belt is well made, good looking and obviously durable because both the belt and the buckle are thick.