While a little more expensive for grips I am quite pleased with my Specialized ergo grips:
https://www.evanscycles.com/speciali...-grip-00120046
Next for my fat bike I want to try a combo set like this:
https://www.chainreactioncycles.com/...s/rp-prod35359 or this
https://www.papa-wheelies.com/produc...5-293476-1.htm
Currently I have basic alloy bar ends but they are overkill as far as area actually held by the hand