1st. Welcome to the jeep forum.
2nd. Soft top for the winter in Alaska?
I just spent my first winter with my jeep and I live in Maine. Get yourself a had top ASAP! I went through last winter in my soft top. Not a good idea. She warms up easy enough. But once it gets below freezing point, around 32F, pray that nothing hits the plastic windows. Any pressure and its like china glass, she'll just tear, shatter or split. I had to warm up the plastic, then take clear duck tape and put it on both sides of the holes and tears. Needless to say it kinda looks like shit now. I'm still in search for a new hard top now. I got another couple months before i need to really start worrying.