A garment (10), particularly a waistcoat or a gilet comprises means for protecting and/or wrapping the wearer's legs, which are suitable to take a folded position where they are retracted within the garment and an unfolded position where they extend from the garment. The leg protecting means comprise a lining or tissue of a protective waterproof material that is fixed to the garment (10) and which, when being in the unfolded and extended position, forms a pair of trousers. Means are provided to adjust the size of the trousers waistline and means to tighten trousers ends around the wearer's ankles. A pocket is further provided comprising closing means, which is suitable to house the protecting means when being arranged in the folded position. This pocket is applied within the garment at the wearer's waist and extends in the substantially parallel direction to a lower edge of the garment