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The seat upgrade for the rest of us. You're either configuring your first Vyper chair right now and wondering if your frame's going to fit comfortably on a 14-inch round seat, or you've owned the chair for a while and your hips are hanging off the edges by hour two. Either way, the answer is the same. The Big Boy attachment adds 7 inches
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Love the big boy attachment, adds a lot of comfort to an already really comfortable shop chair, particularly because it has the backrest. I was finding it hard to get the chair backrest straight in line with my back when sitting on it (I have the elevated model and it’s at bench height plus I am a little vertically challenged, so I have to tip toe to get up into the chair) the seat would rotate as I got on it, misaligning the backrest. It was possible to align but took extra effort to do after getting on, the big boy attachment squares the seat so you naturally sit right in line with the backrest, it puts the back of the chair right where it should be. Also, because I normally sit a little further back on a backless stool, I am forced a little forward with the backrest, so when my legs would wrap around the sides they are pushed more forward, the extra room on the big boy attachment gives them support, which makes the entire chair much more comfortable than a stool. My only complaint is that I purchased the Ford edition chair with blue stitching and the big boy didn’t have an option to match. Not a big deal, just a small detail. Would definitely buy again if I get a second chair for the other section of my bench that has a stool there now.
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Michael · September 19, 2026
I bought this as a shared chair for both of us.. and I'm Quickly seeing that it will be short lived and when I can work it into our budget .."one of us" will have to be giving up their share of the current chair for a new one!!! Thank you for this truly great experience!...sincerely..
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Sherri · September 15, 2026
Fun to put together ! I am a CAD dental designer, my new stool is way better than my old one. I looked at few stools at some retail outlets. I never saw a Vyper stool in person only on TV. It is way better than anything I looked at! The fit and finish is awesome! I just put it together today. The seat is unbelievable. Looking forward to doing my job next week in it. GAME CHANGER!