When you buy through our links, Business Insider may earn an affiliate commission. Learn moreDagne Dover/Business InsiderI'm on a perpetual hunt for the perfect office-appropriate gym bag.Dagne Dover's Landon Carryall in medium ($185) is the best duffel-bag option I've found.It's made out of the suave neoprene usually used in scuba gear, has intuitive and superior organization, and looks and feels slimmer than you'd expect for how much it can carry.