Detachable thermal liner (100g body, 80g sleeves) allow the jacket to be configured according to the climate. Nucleon Flex Plus armor on shoulder and elbow (Nucleon chest Level 1 and Nucleon Level 1 and 2 back protectors available as an accessory upgrade). Shock cord waist for a secure closure. Zip front closure has been engineered to be durable and easy to use. Low profile sports collar construction with soft lining for enhanced rider comfort.