Stay warm and comfortable during winter sports with the Energy Accumulator 4.0 Underlayer. This high-performance piece is engineered for optimal temperature regulation, making it ideal for skiing and other winter activities. Key attributes: Blue | 90% polyamide, 5% polypropylene, 5% elastane | Temperature regulation | Breathable fabric | Compression fit | Moisture-wicking | Long sleeves | Round neckline | Dimensions & fit: Regular fit | Composition & care: 90% polyamide | 5% polypropylene | 5% elastane | Machine wash cold, do not tumble dry