Rock Tex™ 660 shell Meta Sport System™ features removable panels that reveal Free-air™ mesh, Patent Pending Removable waterproof inner liner High density padding on shoulders, elbows and spine Perforated dual density body armor in elbows and shoulders Removable spine pad with pocket for optional C.E. spine protector Elastic sleeve adjusters Adjustable waistband Zippers for optional Sahara vest 8" zipper for pant attachment Reflective stripe