The G7 Lite offers ultimate protection in a sleeveless design, don't let the terrain stop you. Flow Vents - Exterior venting provides additional air circulation. Kidney Belt - Provides lower back support and added stability. Impact Shield - An exterior of high-impact tested polymer provides optimum protection against debris and collisions. Enhanced back protection - CE back certified to EN 1621-2 Level 1. Updated chest protection - CE chest certified to EN 14021. Updated side entry zipper. Refreshed fit and overall silhouette. Hydration Pack option is available (sold separately).