Outfit a jacket of your choosing with this complete set of SAS-TEC Tripleflex upper body impact protection. These 5 protectors cover your CE level 2 armor needs for shoulders, back, and elbows. These motorcycle crash pads are made of viscoelastic semi-soft foam with impressive impact absorption values and flexibility. They're lightweight, comfortable, and outperform level 2 safety requirements. The joint protection pads are ventilated and have ergonomic contours to bend comfortably around your elbows and shoulders. This set includes: Two SC-1/SCB2air joint protectors (recommended for shoulders) Two SC-1/KCB2air joint protectors (recommended for elbows) One SC-1/B47-2 or SC-1/B52-2 back protector Regular size B47-2 is 14.17" tall x 5.5" wide x 0.6" thick (inches) Large size B52 is 15.4" tall x 5.9" wide x 0.6" thick (inches)