Diono Radian R100 Convertible + Booster Car Seat
By: Diono

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The Diono Radian family of car seats are the only Convertible+Booster Car seats with a full steel frame making them one of the safest car seats available today. All Diono Radian car seats are designed with your child's security and safety as top priorities. Premium materials and thoughtful safety features like a steel alloy frame, aluminum reinforced side walls, energy absorbing EPS foam, and a five-point harness put your mind at ease as your little one stays safe and sound.

The Radian®R100 Car Seat offers the adaptability you need to keep your child's car rides safe and comfortable for years. From birth to booster car seat, the RadianR100 fits children in the rear-facing position weighing from 5 to 40 pounds and children in the forward-facing position weighing from 20 to 65 pounds. With longevity in mind, this model converts to a booster seat for kids up to 100 pounds.


  • Full steel frame and aluminum reinforced sides for unmatched safety
  • Comfortably seats rear-facing children from 5-40 lbs, forward-facing children from 20-65 lbs in a 5-point harness, then converts to a booster for children up to 100 lbs.
  • Unique SuperLATCH system that makes installation easy
  • It also fits 3 across in a mid-size vehicle, folds flat for travel and is FAA certified
  • NCAP crash tested, the industry benchmark for verifying child seat performance in severe accident conditions
  • Energy absorbing EPS foam and side impact protection provides added safety
  • Safestop® energy-absorbing harness
  • 2 Forward-facing recline positions, 5 shoulder and 3 buckle positions deliver a comfortable ride.
  • Rear-facing tether capability
  • LATCH installation up to 80 lbs
  • Expandable sides and long seat bottom allow proper leg support
  • Low-sitting profile makes it easy for your child to board
  • Angled cup holder keeps a variety of drinks upright and within easy reach
  • Cover is machine washable and dryable
  • Rubber bottom grips for no-slip installation
  • 10 year life


  • Use only with children weighing between 5 lbs to 100 lbs
  • With any infant weighing less than 20 lbs, use only rear-facing

Maximum child weights:

  • Rear-facing: 40 lbs
  • Forward-facing with 5-point harness: 65 lbs
  • Booster mode: 100 lbs

Maximum child heights:

  • Rear-facing: 44'' / 112cm,
  • Front-facing: 57''/ 144 cm


  • Open Dimensions: 28.5" H x 17" W x 16" D
  • Folded Dimensions: 28.5" H x 17" W x 7" D
  • Weight 23 lbs

Return Policy for this item

Shadow UPC: 677726166206 Model: 16620

Dune UPC: 677726166107 Model: 16610

Stone UPC: 677726166152 Model: 16615