Superior by design and construction, the KÜHL MEN’S FIREFLY™features lightweight PRIMALOFT GOLD™ insulation for enhanced breathability, flexibility and protection from the elements. With superb warmth-to-weight ratio and continued insulation when wet, PRIMALOFT GOLD delivers body warmth in harsh conditions.
A second insulator, PRIMALOFT GOLD ACTIVE™, adds four-way stretch for greater freedom of movement. Engineered for high aerobic activities, this flexible insulator provides temperature regulation and stability: it won’t shift during intense action. AIRPERM™ soft shell panels on the elbows, arm and side panels are strategically placed over the PRIMALOFT GOLD ACTIVE insulation for the ultimate in breathability and flexibility.