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Clek Olli Booster Seat Review

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When your child outgrows their convertible car seat but still needs a boost for both safety and comfort, the Olli Booster Seat comes to the rescue! This award-winning backless booster from Clek has made its mark with parents raving about its form, function, and style. 

Proudly made in Ontario, Clek is known for making some of the best car seats that meet all Canadian motor vehicle safety standards.

Not to be confused with their Oobr Booster Car Seat, the Olli is a more-than-meets-the-eye basic booster that packs a mighty punch! 

Let's explore its fantastic features!

Unveiling Olli 


  • Suitable for children 40 to 120 lbs. and 40 to 57" tall 
  • Seat Dimensions: 13.25” D x 12.75” W x 5” H (10” H including armrests) 
  • Seat Weight: 5 lbs.  

The primary goal of any booster seat is to ensure the proper fit of the vehicle's seat belt on your child. The Olli elevates your child to the right height, guaranteeing the seat belt fits snugly and securely. This gives parents peace of mind knowing their (not-so) little ones are safely in place during travel! 

The Olli comes with Clek’s UAS system which makes installation super easy. The booster seat effortlessly locks into place using your vehicle's LATCH connectors. To remove it, simply push the seat in and pull on the release tab. Safe, secure, and easy peasy! 

Weighing only 5 lbs., Clek makes the Olli easy to move from one vehicle to another. Whether you're hopping between mom and dad’s cars, or going from an airplane to an Uber, this easy transport and portability offers convenience and ease for an on-the-go lifestyle. 

Stylish Choices for Every Child 

Clek understands that every child is unique, so their booster seat should be too!  

The Olli comes in various colours and fabric options, ensuring both safety and style blend seamlessly in your back seat: 

  • C-Zero Plus Collection: This collection features a plush and soft looped pile top, providing both style and comfort. 
  • Premium C-Zero Plus Collection: This collection offers different textures to match your car's interior. The Thunder and Pitch Black models offer a smooth feel, while Marshmallow is soft, yet durable, providing casual elegance. 
  • Premium Fabric Collection: For eco-conscious parents, there's an environmentally-friendly blend of sustainably sourced, biodegradable Merino wool and TENCEL, providing improved durability without any added flame retardants.  

Banishing Numb Bums 

Have you ever experienced the discomfort of sitting on hard surfaces for a long time, to the point where your legs start to fall asleep? That's numb bum!  

Clek’s commitment to comfort is on full display here, as the Olli includes their Comfort Cube construction to prevent this unwanted posterior effect. 

The Comfort Cube is crafted with three layers: 

    1. A metal substructure provides stability to keep your child in a comfortable and safe position. 
    2. An expanded polypropylene base has energy-absorbing capability, reducing the impact of those big bumps on the road. 
    3. A molded polyurethane foam pad maintains its shape for years, providing a cushy feel for the long haul.

      Added Convenience 

      Convenience is important, especially during busy travels and daily commutes. The Olli excels in making life easy for dads and moms on the move with the following features: 

      Optimized Elevation:
      The seat raises your child by four inches, ensuring an improved in-vehicle shoulder belt fit, and better positioning of the seat belt on your child’s hips for enhanced safety. 

      Quick Installation:
      It takes 10 seconds (if that!) to lock the booster seat into place using your vehicle's LATCH connectors.

      Performance Fabrics:
      Crypton fabrics offer stain, moisture, and bacteria resistance, making maintenance a breeze and ensuring a clean and safe environment for your child.

      Detachable Cup Holder:
      Referred to as the Drink-Thingy, this cup holder can be placed on the right side of the seat and is dishwasher safe for convenient for cleaning. 

      Carrying Strap:
      For no-hands convenience, the Olli comes with an over-the-shoulder strap to easily carry it from one point to another. 

      Release Tab:
      A pull-tab releases the booster from the LATCH connectors, and allows for quick and easy removal. It’s so simple even your child can do it! 

      Protect your vehicle’s seat by using the Mat-Thingy Car Seat Protector underneath the Olli, and keep its fabric clean using the Crypton Fabric Cleaning & Stain Remover Kit.


      Mat-Thingy Car Seat Protector


      Oobr Booster Car Seat



      Crypton Fabric Cleaning & Stain Remover Kit


      Olli Olli Oxen Free 

      The Clek Olli Booster Seat is a super-affordable choice for parents looking for the perfect blend of safety, comfort, style, and convenience. 

      It's an ideal seating companion for your growing child, making the road a safer and more enjoyable place!

      For more great car seat options, be sure to check out our Clek Car Seat Overview or our Top Booster Seat of the Year.