You decided to go with a fully customized BCD concept that Aqualung provides with the ModLock technology Rouge Backpack Style BCD so, you started with the air cell, back, and shoulder assemblies (see SKU's: UDRRAC, UDRRBA, UDRRSA) and now you need to choose a Waistband Assembly. Made from durable proprietary fabrics, webbing and impact resistant hardware the Waistband Assembly is available in three sizes for complete customization and will fit any of the air cells and back assembly you choose.Waistband comes complete with and adjustable waist strap with squeeze-style side-release buckle and hook and loop closure pockets. The left side waistband has knife mounting grommets on pocket flap. ModLock connectors easily click into place and are simply unlocked with a small tool such as a key or pen. If you want Aqualung Rogue Weight Integrated Waistband (see SKU: UDRRC).