Complete with Certificate Of Authenticity. HERO ELITE JIU JITSU GI. Hayabusa Certificate of authenticity. Test yourself, let us worry about your gi. Weight: (Weight may vary) A0 – 3.1lbs, A1 – 3.4lbs, A2 – 3.6lbs, A3 – 3.9lbs, A4 – 4.1lbs, A5 – 4.3lbs.