The Viper Locking Harness is a wide padded non slip yoke system compatible with D-ring waist belt systems. one size fits most and the sternum strap uses a quick release buckle. Made from 600 denier cordura and X-weave webbing back its strong and takes a heavy load. Strong metal push cllips make for good and secure attachment. 4 x D-rings for extra attachments are added and the shoulder straps can be adjusted using the sliding retention adjusters.