Definition of "strossers"

O then belike she was old and gentle; and you rode like a kern of Ireland, your French hose off and in your strait strossers.

1599 (date written), William Shakespeare, “The Life of Henry the Fift”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act III, scene vii]

Enter Magee Mor Matthew, a rugged rough rugheaded kern, in strossers with a buttoned codpiece, his nether stocks bemired with clauber of ten forests, a wand of wilding in his hand.

1922, James Joyce, Ulysses