Diesel UMBX Triple Pack of Semaji Boxer Trunk Shorts in Grey, Each pair has a grey elasticated waistband with the Diesel logo in black and a red stripe. One pair of boxers is black, one pair is red and the third is striped in grey marl, red, cream and black with grey marl side panels and grey marl and red trims to the pouch. 95% Cotton And 5% Elastane. The Brand New Stylish Fashionable Diesel Underwear, Boxer Shorts And Accessories Live Online UK.