RACEFRAME IMPACT SB D3O - Bikappa Bikes

Fox Racing Raceframe Impact Soft Back CE D3O Guard - Cycle Gear

Fox Raceframe D30 L/XL

FOX Raceframe Impact SB D3O Protector Vest

Fox Racing Raceframe Impact Soft Back CE D3O Guard - Cycle Gear

Fox Racing Raceframe Impact Soft Back CE D3O Guard - RevZilla

Fox Racing Raceframe Impact Soft Back CE D3O Guard - RevZilla

Fox Racing Raceframe Impact SB CE D3O Motocross Chest/Back Protector, Black, S/M : Automotive

The top level in torso guards from Fox is the Raceframe Impact Soft Back CE guard. The key feature to the SB is the addition of Fox's proprietary F3

Fox Racing Raceframe Impact Soft Back CE D3O Guard

Fox Racing Raceframe Impact SB CE D3O Motocross Chest/Back Protector, Black, S/M : Automotive

Fox Racing Raceframe Impact SB D3O Body Protector - Sixstar Racing