Diesel The Essential Underwear UMTEE Randal T Shirt In White, A cotton stretch t shirt with a ribbed crew neck design and short sleeves. The small signature printed Diesel logo is on the left of the chest in black with The Essential logo woven pinch tag stitched onto the right side seam. 94% Cotton And 6% Elastane. The Brand New Stylish Fashionable Diesel Underwear, Boxer Shorts And Accessories Live Online UK.