Our easy-to-use neoprene protective pads are made of 6mm thick neoprene. In order for them to work you just need to put them into your knee or elbow pad compartments. Ideal for shooting range, climbing, hiking or other tactical use. Ready to use with UTP®. Features: Made of 6mm neoprene with one side nylon backing Can be used as knee or elbow protectors After trimming fits in: SFU, SFU NEXT®, CPU®, TCU, ACU, USM