Green’s Dictionary of Slang

the feet or shoes.

a.1790		C. Dibdin ‘Jack in his Element’ in Collection of Songs II 63: Pray how d’ye like my nib, / My trowsers wide, my trampers rum.
1846		Swell’s Night Guide 74: Tickets to be had at the bar [...] and at chummy’s over the way [...] No gentleman can dance in queer crabs, or hob-nail’d trampers.
1872		Fife Herald 24 Oct. 3/1: It is not impossible that thinking he was about to turn into bed, he had managed to get off his trampers.
1877		‘Jack in his Element’ in Sea Songs of Old England 4: [as cit. a.1790].