This is the ultimate backpack carry-on. The bag is durable, water-resistant, and versatile too. It expands to get you 25% more space, and has removable waist straps to lighten the load on your back. Plus it's got compartments for just about everything—laptop, passport, even your water bottle—so it'll serve you just as well on the trail as it will on the plane.

• 32 L capacity, expands to 41 L
• (L)22" x (W)14" x (H)9"
• 5.2 lbs
• 17" laptop sleeve
• Removable waist straps
• Carry-on compliant