Additional Mint Fabric Sock Set - Smart Sock 2 – Owlet Australia
Sock Shop – Owlet Australia
Owlet's new baby smart sock is finicky yet adorable (like my twins) | Engadget
Owlet Smart Sock 3, 0-18 mths | Stroll On: Cairns Baby Shop - Stroll On Baby Boutique
Owlet Smart Sock Plus Review - Smart Sock 3 with the Extension Pack
Owlet Accessory Fabric Sock for Smart Sock 2 Baby Monitor (Sensor and Base Station Not Included), Set of 3 Sizes (0-18 Months), Blue : Amazon.com.au: Baby