This 1/4 zip sweater features our lightest, softest technology for maximum breathability and freedom of movement. INSULA garments are soft with a light, airy material structure. The fabric has built-in air chambers which are warmed by the body heat and provide extremely effective and long-lasting thermal insulation. FEATURES: BLUESIGN approved fabric Excellent next to skin comfort Extremely breathable. Soft hand feel Soft stretchy comfort Warming effect #1 Excellent thermal insulation properties keep the body warm and comfortable. Maximum breathability that enables the release of excess heat and moisture. Soft, stretchy and snug fitting garment specially developed for golfers. Perfect intermediate layer under a GORE-TEX or a WINDSTOPPER jacket. Easy to wash and maintain, just regular machine wash. WARRANTY2 Year Manufacturer's Warranty