Ultra-Cool� 100% polyester mesh,Zipper front closure reinforced with durable webbing,2� wide high performance reflective material with 3� contrasting black,Left and right mic tabs (size small only has left mic tab),Padded neck for comfort,2 lapel grommets,Left chest radio pocket and clear ID holder with flap,Right chest 2-tier, 4-division pencil pocket,Outside left and right full length pockets with grommets,Inside lower left tablet (iPad) pocket with load-bearing strap,Inside lower right full length pocket,Hidden back pouch with left and right zipper access,Lime (S5004), Orange (S5005)