The Green All Over Incorruptible

From Sir Gawain and the Green Knight. This is going way beyond a favorite green coat:

And yet he was but a man, only the mightiest that might mount a steed; broad of chest and shoulders and slender of waist, and all his features of like fashion; but men marvelled much at his colour, for he rode even as a knight, yet was green all over.
For he was clad all in green, with a straight coat, and a mantle above; all decked and lined with fur was the cloth and the hood that was thrown back from his locks and lay on his shoulders. Hose had he of the same green, and spurs of bright gold with silken fastenings richly worked; and all his vesture was verily green. Around his waist and his saddle were bands with fair stones set upon silken work, 'twere too long to tell of all the trifles that were embroidered thereon--birds and insects in gay gauds of green and gold. All the trappings of his steed were of metal of like enamel, even the stirrups that he stood in stained of the same, and stirrups and saddle-bow alike gleamed and shone with green stones. Even the steed on which he rode was of the same hue, a green horse, great and strong, and hard to hold, with broidered bridle, meet for the rider.