The new Smart Sock 3 Extension Pack works with your existing Smart Sock 3 sensor and includes our toddler-sized fabric sock. Track your childâ??s heart rate, oxygen level, and sleep trends for 42 additional months for continued peace of mind. TrackPrice: $109.99Category: Kids & Family, Baby Gear
womens crew socks
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mens quarter crew sock
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mens quarter crew sock
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mens quarter crew sock
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womens crew socks
more info                                
womens crew socks
more info