Comfort: Soft neoprene collar for better comfort around the neck Interior textile 3D mesh for maximum air circulation Vest 100% polyester 600D textile Exterior pocket for small objects on the go such as credit cards or keys Comfortable and light, allows full body motion Adjustment straps for a perfect fit over any motorcycle garment Waterproof Reflective stripes on the back for added visibility System: 100% autonomous system Easy and intuitive system Designed and tested for the road 25 hours of battery life (USB charging) System can be reactivated in 2 minutes by yourself, you only need to change the e-cartridge Airbag System: Multi-sensor technology enables 360° detection and covers a wide range of accidents: from 18km/h, at low speed and at any angle of impact Big protection volume: between 17L and 28L depending on the airbag size Includes one installed CO2 Cartridge, a charging cable and user manual CE Certified Airbag System TURTLE technology with SAS-TEC 1621 level 2 back protector Airbag 100% polyurethane Operation: Adjustment straps for a perfect fit over any motorcycle garment Fork sensor (optional and sold separately) Fork sensor detects accidents at 0km/h(optional and sold separately) Sizing: LG-L and XL-L sizes are wide versions of LG and XL sizes respectively. Please reference the size chart to find your ideal size. Note: Vest is sold ready to use with 1 CO2 cartridge, USB cable and user guide.