What is the difference from the regular Britax Boulevard Clicktight ($629)? Is it just the fabric?

Hi Ashleigh, thank you for your inquiry, the Cool n Dry Boulevard does have a different fabric that regulates your childs temperature in warm or cool weather. this is a point of difference between this and the Trek Fabric. We hope this helps. if you follow the link https://www.babyonthemove.co.nz/store-locations/ this will take you to our online store finder. Here you can find contact details for your nearest Baby On The Move Store where one of our team experts will be happy to assist you in your product search and help answer any further questions you may have.