PROAIM Cinema Pro Vest is designed with extensive adjustability to ensure a perfect fit for every body type, whether male or female. Weighing only 2.9kg (6.4lb), it 's likely the lightest vest on the market, featuring height adjustments for operators ranging from 5.5' to 6.5', ratchet belts for waist sizes 32" to 58", and shoulder straps that articulate for maximum comfort over the trapezius muscle. Its thoughtful padding ensures optimal weight distribution, with a ratchet - based center support near the chest for added stability. The Cinema Pro Arm, engineered for minimal downtime on set, boasts an extruded aluminum design for weight savings and strength. Its polymer spring cores reduce friction and noise, and the quick - swap spring system allows for easy adjustments to different payloads. With a full boom extension range of 30.7" and multiple articulation points, it provides unparalleled flexibility. The arm comes wit h three swappable spring cores, tailored for different load capacities (15 - 29kg / 33 - 63.8lb) and features steel mounting socket blocks for zero friction or friction settings, along with three types of arm posts (1/2", 3/4", 5/8") for versatile mounting opt ions. Includes durable backpack for easy transport between filming locations. Specs Vest Construction Material: Aluminum, Fiber and Fabric Wais t: 32‐ 58” Chest: 38‐58” Closure Type : Ratchet Buckles