Originally Posted by
Teambayern
I've read some reports that Gators aren't so grippy in cold wet conditions (although others dispute that)
That is an understatement.
I run Gatorskins on my most-used summer bike, and I would NEVER run them on a winter bike.
I haven't used the GP4, but I can recommend the Schwalbe Marathon Supreme.
I run the Supremes on my winter bike, and the *only* time I've had them lose traction was on ice.