Britax Infant Car Seat Rear facing car seat with Alpine Base. ClickTight technology, so you know it can be installed securely on the first ride and beyond. Cushioning on the harness pads and inserts helps keep your child comfortable , fabric cover. Find the Perfect Fit: With the adjustable RightSize system, it’s easy to get a customized fit. Portable & Slim. Please refer to the labels on pictures for more details.