invention as discussed are contemplated as would normally occur to one ordinarily skilled in the art to which the invention pertains applicant has discovered that surprisingly sheath core trilobal fibers can be melt spun by routing molten sheath polymer to at least one apex of a trilobal spinneret orifice there are many particular means which can be used to accomplish the objective and one of ordinary skill in the an would readily understand that the present invention is not limited to any one particular manner of routing the sheath polymer to the apex of the trilobal spinneret by way of illustration fig1 schematically represents the routing process of the present invention portion 10 of a spinneret plate shows one capillary 11 and trilobal orifice 12 individual molten polymer streams a b c and d are shown each molten polymer stream may be separately metered to spinneret capillary 11 the general route of each molten polymer stream to capillary 11 is shown with lines as depicted in fig1 each molten polymer stream a b c and d has its own extruder 14a 14b 14c and 14d respectively and metering pumps 15a 15b 15c and 15d respectively when each polymer stream is equipped with its own extruder and metering pump a large variety of trilobal cross sections are possible this will be apparent from the following discussion fig2 is a bottom plan view of a trilobal capillary useful in the present invention and taken looking in the direction of arrows 2 2 in fig1 shown is trilobal orifice 12 trilobal orifice 12 has three legs 13 13 39 and 13 34 between each leg there is an apex a a 39 and a 34 respectively as shown in fig2 while the dimensions of.