For the past 3 years, I have been using Shad's products, so I can compare them to what I considered the best. For scooter delivery, these are much better, as they solve all the flaws. They are 100% waterproof with thermally sealed seams inside and out. One advantage for motorcycles with a gap between the flash switch and the handlebar is that they fit inside the cover and can be operated normally. They do not let any air in from the brake lever or throttle grip. On the throttle side, it has a fantastic system with plastic rings that doesn't stick at all. These are the perfect size for scooters with only handlebar movement (they don't touch when the handlebar turns) and they can accommodate hand guards (see detailed photos). I also spray them with silicone spray for protection once a month. Be careful when installing them, as they require the screws from the handlebar weights to be located so that you don't have to tighten them too much and risk damaging the plastic. The fur inside is less than Shad's, but because no air passes through, they provide the same warmth. I have them with Oxford's heated grips as well.