Engineered for exceptional versatility and freedom of movement while playing, the Frontera Hybrid Gilet from Calvin Klein golf also offers great... Full zip vest with padded front panels paired with stretch fabric sides and back Chill Force 2 – lightweight insulation that’s breathable and moisture-wicking Lightweight, high-loft padding on quilted nylon front panels Padded, zip-up collar Stretch: 95% Polyester, 5% Elastane. Padded section: 100% Nylon.