Fox Baseframe Pro SLLow profile body armor With each passing season, mountain biking technology progresses further by making bikes lighter and faster and our equipment more capable, in return, allowing us to ride faster and go bigger than ever before. However, this also means accidents and crashes will be more prevalent, resulting in injuries. To combat this, Fox partnered with D3O(R) to design safety equipment specifically tailored to riders who love to shred the trails. Introducing the Fox Baseframe Pro SL body armor, a low profile protective base layer that is designed to fit underneath your jersey. Featuring D3O world leading impact protection technology, the Baseframe Pro SL has a D3O back insert for protection in case of a crash. Built in padding at the hips has also been added for additional protection. The entire base layer is made of moisture wicking, open stretch mesh for breathability and comfort. Features CE Certified D3O(R) back insert Impact protection technology for your back. Comfort Moisture wicking, open stretch mesh for breathability. Padding Built in padding at hips offers additional protection. Specifications Material35% PU / 37% nylon / 8% polyester / 20% Eva Protectionyes Zippered Pocketsno Intended Use Trail, DHSizing (Inches)Size Small Medium Large Extra Large2X Large Height5'6"-5'8"5'8"-5'10"5'10"-6'5'11"-6'1"6'-6'2"Chest35"-37"38"-49"41"-43"44"-46"47"-50" | Fox Apparel | Baseframe Pro Sl Men's | Size Small In Black | Nylon