Diono Ranier 2 AX Convertible + Booster Car Seat - Grey Dark

Diono Ranier 2 AX Convertible + Booster Car Seat - Grey Dark

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Available: In Stock
$239.00 $299.99
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Get top-tier safety and streamlined design with our rainier convertible car seat. The full steel frame, extra-deep aluminum reinforced sides, and energy absorbing foam deliver unmatched protection for your little one. The rainier accommodates children weighing 5-120 pounds. It could be the only car seat you’ll ever need.


Get top-tier safety and streamlined design with our rainier convertible car seat. The full steel frame, extra-deep aluminum reinforced sides, and energy absorbing foam deliver unmatched protection for your little one. The rainier accommodates children weighing 5-120 pounds. It could be the only car seat you’ll ever need.

The Rainier’s superior safety comes in a sleek design that allows extra room for passengers.

Heavy is good

Diono's convertible car seats are made from steel for safety you can feel. The fully integrated steel frame is wrapped in thick engineered plastic to withstand severe crash forces. Deep, aluminum reinforced sidewalls provide excellent side impact protection, while energy absorbing EPS foam surrounds your child for ultimate safety. Diono car seats are definitely worth the weight.

Extended rear-facing

The rainier keeps children comfortably rear-facing from 5-50 pounds for the safest possible position. Body support cushions are included to keep newborns and infants comfortable and positioned properly.

Room to grow

Accommodates forward-facing children up to 65 pounds in a 5-point harness and converts to booster mode for kids 50-120 pounds. The aluminum reinforced, adjustable head rest and extra-deep sidewalls provide the ultimate side impact protection.

SuperLATCH™ Installation

Diono's unique SuperLATCH™ system makes installation easy and secure. An audible click and visual indicator let you know when the connectors are locked.

Side Impact Protection

Diono has your child’s safety covered. Rainier® 2 AX seats feature extra-deep, aluminum reinforced sidewalls that extend straight forward and are lined with thick, energy absorbing foam. Diono performed rigorous side impact testing to achieve the proper size, shape and strength that best protects children from side impact forces.

Safe Stop

The patented Safe Stop® harness component is a load-limiting device that absorbs energy in a crash. The unique design offers an additional layer of protection by reducing impact to a smaller, forward-facing child.

Rear-Facing Tether

As safety experts, Diono has every precaution covered. Rear-facing tether capability helps reduce seat rotation during an impact. This unique feature is not found on every car seat. Diono built it in here for an extra layer of protection when your child is rear-facing.

Joy of the journey

From birth, keep your little one rear facing longer to 50 lbs, traveling safely. As they grow to 65 lbs (8 years approx.) our long-range lifespan protects your child facing forwards. Peace of mind for you, we have thought of everything so you don’t have to.

Lovingly engineered

The Rainier 2 aX is fabricated using super strong automotive high strength steel, engineered into a dual spine. This unique core manages and dissipates energy and provides an unyielding structure to protect your baby. We shield your precious child through deep Super side impact protection with aluminium reinforcement.

Space saving design

For safety that allows extra room for other passengers, the Rainier 2 aX packs all our safety features into a sleek design, without compromising luxury travel for your baby.

Exquisite Luxury

Inspired by the best European fashions, our Rainier 2 aX has hand selected soft-suiting fabrics in a contemporary tailored cut and a memory foam seat for a touch of luxury. Lined with thick energy absorbing foam, comfort and safety go hand in hand. A coordinating infant support cushion and a cup holder are included.

Made of Seattle

Diono is from Seattle, a city where being different is the norm and so is the Rainier 2 aX. It folds flat, so you can travel the world and is FAA approved for use on an aircraft. You don’t need to change your plans just because baby is in tow.

Get top-tier safety and streamlined design with our rainier convertible car seat. The full steel frame, extra-deep aluminum reinforced sides, and energy absorbing foam deliver unmatched protection for your little one. The rainier accommodates children weighing 5-120 pounds. It could be the only car seat you’ll ever need.


Get top-tier safety and streamlined design with our rainier convertible car seat. The full steel frame, extra-deep aluminum reinforced sides, and energy absorbing foam deliver unmatched protection for your little one. The rainier accommodates children weighing 5-120 pounds. It could be the only car seat you’ll ever need.

The Rainier’s superior safety comes in a sleek design that allows extra room for passengers.

Heavy is good

Diono's convertible car seats are made from steel for safety you can feel. The fully integrated steel frame is wrapped in thick engineered plastic to withstand severe crash forces. Deep, aluminum reinforced sidewalls provide excellent side impact protection, while energy absorbing EPS foam surrounds your child for ultimate safety. Diono car seats are definitely worth the weight.

Extended rear-facing

The rainier keeps children comfortably rear-facing from 5-50 pounds for the safest possible position. Body support cushions are included to keep newborns and infants comfortable and positioned properly.

Room to grow

Accommodates forward-facing children up to 65 pounds in a 5-point harness and converts to booster mode for kids 50-120 pounds. The aluminum reinforced, adjustable head rest and extra-deep sidewalls provide the ultimate side impact protection.

SuperLATCH™ Installation

Diono's unique SuperLATCH™ system makes installation easy and secure. An audible click and visual indicator let you know when the connectors are locked.

Side Impact Protection

Diono has your child’s safety covered. Rainier® 2 AX seats feature extra-deep, aluminum reinforced sidewalls that extend straight forward and are lined with thick, energy absorbing foam. Diono performed rigorous side impact testing to achieve the proper size, shape and strength that best protects children from side impact forces.

Safe Stop

The patented Safe Stop® harness component is a load-limiting device that absorbs energy in a crash. The unique design offers an additional layer of protection by reducing impact to a smaller, forward-facing child.

Rear-Facing Tether

As safety experts, Diono has every precaution covered. Rear-facing tether capability helps reduce seat rotation during an impact. This unique feature is not found on every car seat. Diono built it in here for an extra layer of protection when your child is rear-facing.

Joy of the journey

From birth, keep your little one rear facing longer to 50 lbs, traveling safely. As they grow to 65 lbs (8 years approx.) our long-range lifespan protects your child facing forwards. Peace of mind for you, we have thought of everything so you don’t have to.

Lovingly engineered

The Rainier 2 aX is fabricated using super strong automotive high strength steel, engineered into a dual spine. This unique core manages and dissipates energy and provides an unyielding structure to protect your baby. We shield your precious child through deep Super side impact protection with aluminium reinforcement.

Space saving design

For safety that allows extra room for other passengers, the Rainier 2 aX packs all our safety features into a sleek design, without compromising luxury travel for your baby.

Exquisite Luxury

Inspired by the best European fashions, our Rainier 2 aX has hand selected soft-suiting fabrics in a contemporary tailored cut and a memory foam seat for a touch of luxury. Lined with thick energy absorbing foam, comfort and safety go hand in hand. A coordinating infant support cushion and a cup holder are included.

Made of Seattle

Diono is from Seattle, a city where being different is the norm and so is the Rainier 2 aX. It folds flat, so you can travel the world and is FAA approved for use on an aircraft. You don’t need to change your plans just because baby is in tow.

Free Shipping
Free shipping applies to addresses within the Contiguous US. Please feel free to request a shipping quote to PR, HI, AK, GU, APO and FPO.

Shipping Policy
Most orders received before 2:00 P.M. EST will usually ship the same business day. Most baby products ship from our Baltimore, MD warehouse. 

Return Policy
All items must be returned within 30 days from the date of purchase and with all of their original packaging and please remember that returned items must be brand new and completely unused. If your item was shipped to you inside a shipping carton or bag, it must be returned in the same fashion. Once received, we will refund your payment in full. Items which are returned not in new condition or have been assembled and need to be repackaged may be subject to a restocking fee or in some cases, may not be returnable. Items which are defective within 30 days from the date of purchase may be returned once approved by our customer service personnel. Should you need to return your item please be sure to request a return authorization prior to returning to us. Health and Hygiene products are not retunable by law. Please feel free to email us with any questions you may have at service@capitalkidz.com.