Tech Owlet baby socks discontinued after FDA warning. Parents argue device offers ‘peace of mind.’ November 30, 2021Gabriela Miranda, USA TODAYComments Off on Owlet baby socks discontinued after FDA warning. Parents argue device offers ‘peace of mind.’ Owlet's Smart Socks, which are baby monitoring socks programmed to track a baby's sleep patterns, have halted sales after a warning letter from FDA.