My mate is about 85 kg and pretty good on a sup he rides the 8'6 for his all round board and loves it he rips on it in all conditions he has a 8'0 but struggles to paddle it I have paddled the 8'6 and found it quite stable not as stable as my 8'7 Sunova flow but I was able to catch a few waves pretty easy I recon the 8'6 is the go here is a shot on my buddy getting his 8'6 sideways