What thickness of yoga mat should I buy?

Across the reviewers we read, around 4.7mm to 6mm is the consensus sweet spot for general yoga, balancing cushion with stability. Thicker 10mm and 1-inch mats earn praise for joint protection during Pilates and floor work, but community threads repeatedly warn that very thick mats can hurt balance in standing and one-leg poses. If you do mostly standing flows, go thinner; if you spend a lot of time on knees and spine, go thicker.