Oxford Layers - Warm Dry High Performance Layering System. Oxford Warm Dry Layers offer a thermal base layer which can be used all year round. Perfect for varied weather conditions where your body temperature needs to be regulated through a combination of effective moisture wicking and thermal insulation. Perfect for colder conditions where you need as much warmth as possible to be trapped against your skin. Features: Retains warmth through thermal insulation Rapidly removes moisture from the skin Anti-bacterial treatment kills odor at source Reinforced flat lock seams are tougher and more comfortable