What is the difference between the Primal 3 and the Primal Zen? April 26, 2024 17:51 Updated We have a great post that describes the differences here Related articles What is the difference between Primal 2 and Primal 3? What Lems styles are best for running, pickleball, tennis, cycling, golf ? I am not sure which shoe style to order. Do you have a chart that compares all styles side by side? Which waterproof boot is best for me? Are your shoes insulated or temperature rated for cold weather?