The Boulevard? convertible car seat is the crown jewel in the Britax line of 'True Side Impact Protection'? restraints. The deep side wings with EPS foam are engineered and tested for optimum side impact protection and adjust effortlessly with the turn of a knob to grow with your child?without removing the seat from your vehicle! The Britax-famous features of built-in lock-offs 5-point harness with front adjuster tangle-free webbing push button release LATCH system with patented Versa-TetherŪ and sculpted base ensures an easy installation with a secure fit. Comfort abounds with a plush washable cover while additional comfort foam patented HUGSŪ system shoulder belt comfort pads integrated toddler pillow and a removable infant body pillow provide a perfect adjustable fit as your child grows from 5 to 65 pounds.