The differences are the amount or the concentration of oils that are in the scents. The higher the concentration of oils, the longer your scent will last, and the less you should need to apply. Non collection.
HUGO BOSS BOSS ORANGE 75ML EAU DE TOILETTE SPRAY BRAND NEW & SEALED
HUGO BOSS BOSS ORANGE MAN 100ML EAU DE TOILETTE SPRAY NEW & SEALED –VINTAGE 2011
Hugo Boss Boss Orange Man EDT 100ml BNIB
HUGO BOSS BOSS ORANGE 50ML EAU DE TOILETTE SPRAY BRAND NEW & SEALED
HUGO BOSS MAN ORANGE 100ML EDT SPRAY - BRAND NEW AND UNBOXED NO LID
Hugo Boss Man Orange Eau de Toilette 100ml EDT Spray For Him New & Sealed