Heavy weight stretch woven RIPSTOP fabric provides protection and durability at the front, back and shoulders. RIPSTOP fabric is very functional, especially in this game. Thicker threads are used alternately to provide a higher tearing strength than other fabrics. * High stretch double layer insert panels down sides and lower sleeve to allow unrestricted range of motion. The high collar has mesh insert panels at back neck to provide cooling. * Gilbert Kryton does have the taped side seams for strength and durability. Adhesive tape is applied with heat and pressure on the seams, covering all stitch holes. * All seams are reinforced with corespun thread and bar tacked at crucial tension points. You can trust the Gilbert brand! * Rubberized Gilbert logo on right chest.