allseason

Allseason, often written all-season or allseason, is a descriptive term used to classify products designed for use across multiple seasons rather than being specialized to a single season. It denotes versatility and broad suitability in varying weather and temperature conditions.

In tires, all-season tires aim to provide reliable performance in wet, dry, and light winter conditions for year-round use. They typically use a moderate tread pattern and a balanced rubber compound. Some markets require symbols such as M+S (mud and snow) or a 3PMSF snowflake to indicate winter capability; however, these tires do not perform as well as dedicated summer or dedicated winter tires in extreme conditions.

In clothing and outdoor gear, all-season products are marketed to perform across a wide temperature range, often featuring layering options, water resistance, and breathable fabrics to adapt to changes in weather.

In horticulture and agriculture, the term is used to describe varieties or cultivation practices intended for broad climates or for year-round production in controlled environments, rather than a single-season focus.

Limitations: The broad compatibility of allseason items often comes at the expense of optimized performance in any single condition. For extreme climates or specialized uses, season-specific products may be preferable.

See also: all-weather, seasonal product, tire types, outdoor gear.