>>8016143They look like a combo of leggings, and those weird toe shoes.
Overwatch in general has some weird footwear. Tracer's got combat crocs, Doomfist has open toed robo-boots, and Winged Victory Mercy's high heels are literally just the heel with nothing under the ball and toes.
D.Va's Waveracer is barefoot, and Ana's Cabana skin has sandals.