A pair of sleeves that cover the forearms and hands — the parts a poncho leaves exposed when a weapon is shouldered. Elastic cuffs hold them in place without straps. This is concealment, not invisibility. The covers lower the thermal contrast between the wearer and the background where the poncho does not reach; how well they work depends on ambient temperature, exposure time and the sensor used. How to get the most out of them: • Wear them over clothing rather than on bare skin: an air gap makes the concealment work better and last longer. • Brought from a warm place into the cold, the outer layer has to settle to the outside temperature first. • Keep them away from open flame. • Protect them from cuts, abrasion and punctures. • Keep acids, alkalis and solvents away from them, and never machine-wash them. The trade-off: the fabric rustles a little when it rubs.