New for 2011 - Cool breathable TRI-DRI construction provides triple density protection while maximizing ventilation. Thick Foam with Plastic Plates. Overall weight ONLY 2 lbs and 5 oz! Harness Adjustments at 5 points. Closed mesh cushioned liner is coverd with Dri-Gear moisture wicking BioFresh anti-microbial treatment for a dry and comfortable fit. Complete shoulder coverage. Ergonomic design allows for excellent range of motion. This one fits and performs! Available in 13", 14.5" & 16" high models. For additional charge you can add a set of 5" Shoulder Extension/Bicep Protectors and/or the 5.5" Abdomen Extension.