Trousers are a tricky beast in fashion. Often misunderstood, plagued by an overabundance of terms and names, and surprisingly difficult to find in a comfortable fit. Understanding the role of your trousers and the options you have in choosing them are the keys to comfortable, sharp-looking clothes for your lower half. The casual pants were differentiated from the formal ones by its silhouette style. The formal pants had a regular fit straight trousers pattern while the casuals came in variations with flares. Youth like to express their thoughts and lifestyle through the bold choices of their clothes they wear. On a more practical note, of course, trousers are also where men tend to carry the little necessities of life — their keys, wallet, cell phone, and so on.