Compromising and economising on performance rainwear in winter is a big mistake, if you are an avid, twelve months of the year golfer who is serious about looking after the finer details, then the Abacus Swinley Rain jacket deserves serious consideration. Swedish technology and know-how are invested throughout this superb Swinley Rain jacket. Abacus specialise in golf attire, especially waterproof and windproof garments. Abacus\'s 37.5 Technology improves the micro environment inside the garment to provide fabrics that evaporate moisture in the vapour stage before it becomes sweat. When your overheating, 37.5 technology speeds up evaporation and cooling, when you\'re cold the particles return to warm the body once more. 40-60% humidity is created the ideal comfort zone range. The active particles are derived from coconut shells and volcanic minerals. 37.5 Technology has been importantly approved as skin-friendly and also hypoallergenic, whist being permanent and will never wash out whilst laundering.