Equipment interface systems, drawn the way an engineer would actually draw them. A clean technical schematic of gear that does not quite exist yet — all line weight and right angles, no shading, no apology. Front. Combat Textiles insignia, left chest, 2.5in. Back. Full interface schematic.Colour. Sand.Garment. Next Level 6210 unisex CVC jersey tee. 60% combed ring-spun cotton / 40% polyester, 4.3 oz. Classic fit, tear-away label. Printed in Pennsylvania.