Nexus Olive Green SF M3 Helmet with Rails, NVG Shroud, BOA Dialler and Velcro. £299.95. Nexus Helmet Pads. £24.95. Nexus DCS Level 3a Soft Armour Front and Back (Set of 2) £245.00. Nexus DCS Level 3a Soft Armour Front, Back & Sides. £299.95 RRP £349.99. Nexus RICAS Compact Level IIIa Soft Armour Front, Back & Sides.