Sizing is listed as either "Adult General Sizing" or "Mens." Width descriptions typically indicate medium/standard; some models note a standard fit with a wider forefoot.
Most models use lace-up closures and low-top collars. Fit features include molded overlays, a plush collar on some models, and a deconstructed foam tongue designed to reduce lace pressure for a secure fit.
Breathability is emphasized across several models: mesh uppers and midfoot ventilation panels are used, and Flexweave woven uppers are described as ultralight to allow greater airflow.