Lambskin is one of the softest leathers that one can invest in. This is because the lamb itself is soft and the skin is light and airy. Thus, the same has a soft and velvet-like structure. Lambskin and deerskin leather offers a luxurious and sophisticated feel. These are the softest and thinnest forms of leather available. These are supple and smooth to touch. Thus, while purchasing a leather bag, you must look for its quality, type of leather and source. Most of the affordable versions of leather goods are crafted from cowhide leather that can be grainy and rough to touch.