I’ve got a pair. Great in really cold conditions, particularly snow. I always find heavy winter gloves a PITA to take on and off so these are good. Also good if your hands tend to overheat. You can easily cool off.
They don’t look so stupid on an XL moonlander with 4.8″ tyres…
The don’t however seem to have been designed with riser bars in mind. Last year, I couldn’t get mine to sit at the correct angle on the bars. More of an annoyance than any hindrance to performance. I never got round to investigating fully. I’m sure that there is an easy modification to correct this.