Softshell cycling pants are worth it if you regularly ride in cold, windy, or wet conditions—especially for winter commuting. They have a built-in windproof membrane and often a DWR (durable water repellent) coating, so they block wind and shed light rain or road spray that would cut right through standard thermal tights.
The trade-off is breathability and flexibility. Softshell fabric is heavier and stiffer than typical Lycra or fleece-lined tights, so it doesn't stretch as freely and can feel warmer during hard efforts. If your commute includes long, steep climbs, you might overheat.
For flat, fast commutes in harsh weather—think below 5°C with biting wind or drizzle—softshell pants are genuinely essential. But if your winter rides are milder or you tend to run hot, standard thermal fleece tights may be all you need.