Amazon.com: Alpinestars SMX-1 R V2 Boots, Performance 。Alpinestars SWX-1R Riding Boots – Size 11.5 US – Like New Selling a pair of Alpinestars SWX-1R motorcycle riding boots, Size 11.5 US. • Condition: Gently used, like new • Brand: Alpinestars • Model: SWX-1R Performance Riding Boots • Size: 11.5 US • Color: [add color if you want] These are high-performance sport riding boots designed for protection, comfort, and great feel on the bike. Very lightweight and extremely well built, as expected from Alpinestars. I only used them a few times and they are in excellent condition.