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Smart Sock 3 Extension Pack

For children 18 months to 5 years
$109.99AUD
As low as $27/month with AfterPay
Enjoy continued peace of mind from your Smart Sock 3.

Our Extension Pack allows you to continue tracking your child’s heart rate, oxygen level, and sleep trends up to 5 years of age. The included toddler-sized fabric sock works with your existing Sock 3 sensor, and our optimized technology continues to provide accurate readings as your child grows, between 13.5 to 25 kgs.

Continue to monitor your child through every milestone—from teething to toothfairy.
Enjoy continued peace of mind from your Smart Sock 3.

Our Extension Pack allows you to continue tracking your child’s heart rate, oxygen level, and sleep trends up to 5 years of age. The included toddler-sized fabric sock works with your existing Sock 3 sensor, and our optimized technology continues to provide accurate readings as your child grows, between 13.5 to 25 kgs.

Continue to monitor your child through every milestone—from teething to toothfairy.
  • Free Shipping

    Enjoy free shipping on all orders over $199.

  • 30 Night Peace of Mind Guarantee

    Try risk-free for 30 days & nights, and return for a full refund if not satisfied.

  • As Low As $27/Month

    Get 0% financing with the AfterPay option at checkout.

Smart Sock 3 Extension Pack

A monitor that grows with Baby

Extension Pack FAQs

  • What is the Owlet Extension Pack?
  • The Owlet Extension Pack is a pair of larger fabric socks designed to use with the Owlet Smart Sock 3. The Extension Pack enables you to track your child’s heart rate, oxygen levels and sleep patterns longer! With the Extension Pack, you can now enjoy using your Owlet Smart Sock until your child is 5 years old or 25 kg!
  • Which age group is the Owlet Extension Pack designed for?
  • The Owlet Extension Pack is designed to fit children up to 5 years old or 25 kg.
  • Can my baby wear footie pajamas, a swaddle or a sock with the Owlet Smart Sock Extension Pack?
  • Yes! The Owlet Smart Sock is low profile and fits under a regular sock, footie pajamas, or in a swaddle. Make sure the Smart Sock is in direct contact with your baby’s foot and properly placed.
  • Where can I learn more?
  • For more information, please visit our Help Center FAQ Page