I,ve got a double soft bag with wheels now. Had to get a new one after a) airline decide to drag the old very soft bag on the tarmac. Melted through the bag, melted a vest, and ground down the Marker Griffon heel piece. An appropriate end for that binding. I was more upset about the vest. I got $300 voucher. Not bad.
B) needed a longer one to fit 192 cm skis
I got the Synch mainly because it was there in May, the day before going to Abasin, and it was on sale.
Has wheels, rectangular, zips all the way open. Nice thing is you can use such a bag as storage at destination. Assuming there's room. Can't with a sport tube.
I packed it to the max last time. Approaching 24.5 kgs, limit of 25. Damn slalom skis are heavy. Plus the 95mm 192's with pivot 18's (much lighter than slaloms), 2 pair poles, extra boot liners, tuning kit, clothes, toe warmers and hand warmers for more than a week, clothing.
The thing was heavy as hell. Balance isn't great. Getting it on and off trains was fun. Esp with a back pack and a suitcase. It cost I think 200 euros total to ship both ways. I'm really considering not next time. But the disease takes over...