Elastic slip-on gloves are great for the right situations — they're low-profile, simple, and the easiest style to pull on and off. That makes them a solid pick for spring skiing, casual resort days, or as liner gloves worn under a larger pair. If you run warm or mostly ski groomers in mild conditions, the no-fuss design is honestly nice.
The trade-off is that you can't adjust the fit, and the seal around your wrist isn't as tight. That means snow can sneak in if you take a tumble in deep powder or even when you're pushing through fresh snow. They also tend to loosen over time as the elastic wears out.
So if you regularly ski deep powder, cold storm days, or backcountry terrain, you'll want something with a Velcro strap or drawcord to cinch things down. Save the slip-ons for warmer, drier days on the hill.