The Grover-Vegan | CharcoalIntroducing the Grover Vegan. We took our most comfortable, best selling style and replaced the leather uppers with a burnished course weave canvas, and swapped our calf linings for a super soft 6 ounce cotton canvas. And though it is completely non leather, you don't have to be a vegetarian to appreciate it's rugged good looks. And its light weight and breathable materials make it the perfect option for the hot summer months. Like its leather bound