Short balloon jacket with high neck, front flap pockets and front zip fastening with press studs. Long cuffed sleeves and elasticated hem. FELLEX® AEROGEL filling. FELLEX® AEROGEL technology is made from polyester and contains an AEROGEL component that increases thermal insulation without adding extra weight to the garment. This material is used in astronauts’ suits because of its lightness and warming capacity. This garment has been tested to withstand temperatures from +12ºC (low activity) to -10ºC (moderate activity) during a standardised test with simulated wind of 0.4m/s wearing a long-sleeved high-neck T-shirt, trousers, underwear, socks, shoes, gloves and a knit hat.