Introducing the Britax Aspen base, included with the Willow rear-facing only infant seat. It’s the first Britax base with ClickTight built-in. The Willow is sold with the Willow Brook Travel System.

1. Place base on vehicle seat.
2. Open ClickTight panel by grasping handle and squeezing button.
3. Route vehicle belt under ClickTight panel and buckle.
4. Close ClickTight panel and check for 🟩 indicator.
5. Check for less than 1” of movement at the belt path.

➡️ ClickTight belt-tensioning lockoff for super easy, super tight installs 🤩
➡️ Infant seat: 4-30 lbs.
➡️ Harness adjustable at both shoulders AND hips for customized fit (RightSIze™️)
➡️ Flame Retardant Free fabrics
➡️ Alpine base (included with Willow S infant seat) has anti-rebound bar
➡️ Brook stroller: 4-50 lbs.