Hesketh have confirmed that SOME their wines are vegan. Specifically, the ones below. Pay attention to the vintage as it may affect if the wine is vegan or not.
Vegan options available:
Midday Somewhere Shiraz (2017)
Small Parcels Shiraz (2016)
Small Parcels Negroamaro (2016)
Hippocrocopig Cabernet Sauvignon Tempranillo Merlot (2017)
Lehmann Hesketh Mk02 Cabernet Sauvignon Shiraz (2015)
Confirmed October 2018