Whether you use it for travel or just as your gym bag, Patagonia's Lightweight Travel Duffel is ready for just about anything. The versatile bag includes a variety of pockets, a water resistant exterior, backpack straps, and a design that packs away into its own pocket. Link: $100
Patagonia's new Lightweight Black Hole bags are a must for any traveler
A packable backpack, tote, or duffle when you need it.