The Tristar from Tom Bihn is an excellent almost business-class duffel/backpack conversion bag that makes for excellent use in transit.
Build Quality:Sub-Par Satisfactory Excellent
Water Resistance:Sub-Par Satisfactory Excellent
Internal Organization:Sub-Par Satisfactory Excellent
Carry Comfort:Sub-Par Satisfactory Excellent
Doesn't Look Weird:Sub-Par Satisfactory Excellent
Other Bags to Check Out:
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I love how functional a solid rolltop bag can be, and this is one of my favorite rolltop bags.