BOSS Zayn Lowp Trainers In Dark Grey. Dark grey woven uppers with dark grey suede overlays and black synthetic detailing. A dark grey woven lace fastening with a slim off white embossed leather tongue featuring the signature BOSS logo printed at the top of the tongue in black. An off white leather panel at the top of the heel with a black leather trim which features the signature BOSS logo printed in white. An additional signature BOSS logo is printed on the outstep in white. An off white vulcanised rubber midsole featuring the BOSS logo embossed on the outstep of the heel in black with a black and off white branded and grooved undersole..