The Fernos Insulated Jacket is built for those who move fast, train hard, and need dependable warmth without the bulk. Designed with mountain athletes in mind, this versatile layer features body-mapped PeakFill Active insulation that delivers strategic core warmth while allowing breathability and freedom of movement through the arms. Its sleek, stretchy exterior provides comfort on the move, while a PFAS-free water-repellent finish helps you stay dry in light rain or snow. From pre-dawn trailhead starts to chilly afternoon laps, the Fernos adapts with zippered hand and chest pockets, elastic cuffs, and an adjustable hem to seal in heat. Lightweight, quick drying, and always ready for action, it's a must-have for anyone chasing winter adventures or daily comfort with technical edge. | Stio Men's Fernos Insulated Jacket