Ralph Lauren Boys Navy Suit Jacket size 14R Pants Size 12R 26” waist

EUC includes jacket, pants and 2 IZOD ties. Pants - 27” inseam + 2” hem that can be lengthened 26” waist Jacket - 14” pit to wrist 25” shoulder to bottom 17” pit to pit Note the discolouration on pant hem at bottom- not very noticeable when worn. Might be salt stains?