Factor 1 Plus Base Layers

Discover the comfort of Factor 1 Plus, our British-made thermal base layers. Soft polyamide fabric combines natural stretch with moisture management and quick drying, giving you a close, flexible fit for outdoor activities, work and everyday wear. Robust and easy to launder, they’re designed for regular use and repeated washing.

What Makes Factor 1 Plus Different?

Sub Zero Factor 1 Plus long-sleeve thermal base layer top in khaki.

Soft against the skin

Utilising polyamide yarns produces a base layer with exceptional softness, ensuring a smooth, comfortable fit against the skin.

Comfortable fit

Polyamide's naturally in-built stretch allows for a snug yet flexible fit, providing all-day comfort without restricting movement.

Made to last

Highly durable polyamide fabric helps your base layer withstand regular wear and washing, season after season.

Easy care

Easy to launder, our base layers retain their super softness and durability even after repeated machine washing.

Quick drying

Retaining very little moisture, our base layers quickly line dry, making them convenient for active lifestyles and repeated use.

Moisture management

Excelling at wicking moisture away from the body, our base layers keep you dry and comfortable during intense activities.