You can purchase the matching short from the below link.
Colour: Grey & Black
Style: Short Sleeve
Model Size: S
Average Length: XS-17.5, S-18, M-18.5, L-19, XL-19.5
Wash & Care: Machine wash, Cold water:: Wash inside out:: Dark colours separately
Note: Product colour may slightly vary due to photographic lighting sources or your monitor settings.