Woot offers Travelpro Rolling UnderSeat Carry-On: Pick Color for $65.99 (orig. $149.99) + free shipping with Prime.

Product Description:

Perfectly compact and completely convenient, the Rolling UnderSeat Carry-on features built-in organization, durable construction, and high-performance wheels that roll with ease. This bag also includes a removable, water-resistant organizer with built-in hook for hanging while in use at your destination. Great on its own for quick trips or as a stackable companion to other your luggage, this carry-on is sized to fit under the seats on most domestic airlines.

• Polyester fabric with DuraGuard® coating resists exterior water and stains to keep luggage looking great
• Removable, water-resistant organizer has a hook for hanging while in use at your destination
• H20 Guard protects the interior lining from moisture
• Padded laptop sleeve offers protection for electronics up to 14"
• High-performance ball bearing wheels are tested to ensure the smoothest roll
• Lightweight yet sturdy PowerScope Lite handle (42.5" height) reduces wobble and is strong enough to support another bag
• Unobtrusive rear strap fits around the extension handle of a Rollaboard® or spinner suitcase for secure stacking and hands-free mobility
• 8.5 x 14.5 x 17.5, 5.2lb