Thermoball Technology offers the low weight, loft, warmth, and compressibility of down with the wet-weather insulating performance of a synthetic
Stay warmer on the mountain with the all-weather versatility of a packable ThermoBall insulated jacket that retains loft and warmth, even when wet.
Layer for lightweight warmth and comfort on cold-weather outings with a versatile ThermoBall insulated jacket that remains warm in wet surroundings.
Strike the perfect balance of warmth and mobility during your next training session with a streamlined ThermoBall jacket that’s insulated for lightweight warmth in all conditions.
ThermoBall is an ultralight, highly compressible synthetic insulation that retains loft and traps heat even when wet.