The Diono Olympia is the ultimate in car seat safety. Deeper side walls provide enhanced side impact protection, taking Diono car seats to a whole new level.

With its extended rear-facing capabilities, it can comfortably seat rear-facing children from 2.3-20.5kgs and forward facing children from 9.1-29.5kgs in 5-point harness mode (up to 144cm height). Additionally it converts to a booster for children between 22.7-50kgs (up to 144cm height)

Its unique super-strong SuperLATCH™ system makes installation easy and the Olympia is NCAP crash tested, the industry benchmark for verifying child seat performance in severe accident conditions.

Designed with Safety Synergy™ technology, all these innovative features seamlessly work together providing the highest level of performance and safety for your children.

  • Rear-Facing = 2.3-20.5kgs
  • Forward-Facing = 9.1-29.5kgs in 5 point harness
  • Booster Seat = 22.7-50kgs


  • Full steel frame and aluminum reinforced sides for unmatched safety
  • Reinforced extra deep sidewalls lined with energy absorbing foam give Olympia superior head and body protection
  • Comfortably seats rear-facing children from 2.3-20.5kgs
  • Forward-facing capacity in a 5-point harness: from 9.1-29.5kgs (up to 144cm height)
  • Converts to booster mode for children between 22.7-50kgs (up to 144cm height)
  • Unique SuperLATCH system that makes installation easy
  • Space saving design allows extra room for passengers while providing spacious interior for child
  • Folds flat for travel and is FAA certified
  • NCAP crash tested, the industry benchmark for verifying child seat performance in severe accident conditions
  •  Additional Features
  • Energy absorbing EPS foam and side impact protection provides added safety
  • Extra-long leg support for comfy road trips and multiple harness and buckle positions for custom fit
  • Safestop® energy absorbing harness
  • Additional forward-facing recline position to accommodate different types of contoured vehicle seats, 5 shoulder and 3 buckle positions deliver a comfortable ride
  • Rear-facing tether capability
  • Only brand of car seats with SuperLATCH™: With the strongest connectors and Secureweave™ webbing it provides an easy and secure installation
  • Additional set of harness pads included to use only when the child is over 65 lbs in the 5-point harness
  • Expandable sides and long seat bottom allow proper leg support
  • Sits low on vehicle seat for easy child boarding and improved safety performance in a crash
  • Cover is machine washable (we do not recommend one with an agitator) and dryable
  • Rubber bottom grips for no-slip installation
  • 10 year product life (from date of purchase) - As soon as it is sold it goes to date of manufacture as the wording in the manual reads 'do not use restraint in harness mode if it is older than 8yrs from the date of original purchase or date of manufacture. Do not use this restraint in booster mode if it is older than 10yrs from the original date of purchase or date of manufacture. Manufacture date is on side of restraint. The original part means the not changing hands knowing history of seat etc.
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Diono Olympia - Shadow

$449.00 $419.00