Thieves broke into a lock-up garage in Rochester taking more than 100 pairs of boots.
The break-in happened in The Tideway, sometime between 3.30pm on Monday, November 16, and 8.45am the next morning.
Officers are appealing for anyone who may have information about the theft, to contact them.
The boots stolen were:
96 pairs of chocolate brown Treadsafe DY800 steel toe cap safety boots.
12 pairs of honey coloured Treadsafe DY800 steel toe cap safety boots.
20 pairs of burgundy, black and chestnut Oak Track dealer boots.
Anyone who has any information should call 01634 792496 or call CrimeStoppers anonymously on 0800 555111.