Why It's CoolWith clean lines and contrasting colors, the 4,300-cubic-inch Chameleon (available in May) visually trumps most other rollers on the market. The inside is orange, with contrasting gray compression straps, making it easy to tell bag from swag. The outside is mostly ballistics nylonstrong and resistant to abrasionreinforced with compression-molded foam. » The telescoping aluminum handle retracts with the smoothness of a precision instrument, and its rubber grip feels great. » Gotta love the "mudroom," a vented hold for your funky duds. Zip it away to make the Chameleon a single-chamber bag.Hmmm . . .Skinny zippers are more at home on jackets than on luggage. The long, thin pulls bent on first use. » Buckles for exterior compression straps are flimsily affixed and yanked off my test bag.