The " Stratum" (which means layers of rock) GTX motorcycle jacket is REV IT! s next-generation adventure motorcycle jacket that consists of two outer shells. The base outer shell is composed of air mesh with built-in protectors & on top of that, a GORE-TEX waterproof outer shell can be used during rides in cold or wet weather. This new two-layer system provides maximum versatility & comfort in any season or any weather conditions. During rides in Spring/ Summer or warmer temperatures, the class AA certified air mesh layer will keep you cool & comfortable, allowing air to flow toward the body. The air mesh motorcycle jacket is equipped with REV IT! s position-adjustable, certified Level 2 SEEFLEX protectors at the elbows as well as a Level 2 SEESOFT back protector. An extra upgrade can easily be made by adding REV IT! s Level 1 chest protectors. The detachable kidney belt provides stability & protection to the lower back area. in addition, a hydration bag can be fitted in the bac...