Thick hoarfrost crunches under your shoes as you enjoy a cold winter morning on the trail. It doesn’t matter if it’s below freezing when you’re wearing your ARGON VEST. The gilet is filled with MICROGUARD SUPERLOFT ECOSPHERE.The recycled synthetic fibre insulation is insensitive to moisture and delivers very good warmth-to-weight performance – the perfect alternative to down. The windproof and tear resistant STORMLOCK shell fabric, made of recycled polyester, shuts out the cold wind and boosts the insulation performance.The gilet can also be zipped into an outer jacket using the system zip – handy for rest breaks or in really miserable weather.