The incredibly versatile Delta LT Jacket from Arc'teryx is a lightweight microfleece jacket that layers easily under a hardshell, but as a standalone adds light insulation for higher output in cool conditions. This performance-based jacket is designed with a superior warmth-to-weight ratio, supplying efficient warmth given its little weight. The Delta LT is constructed with Polartec Classic 100 Micro Velour Small Grid Fabric which provides quick-drying and high-breathability abilities to keep you dry and comfortable. This low-profile, compact jacket offers freedom of movement for performance comfort to match your active lifestyle. Polartec Classic 100 Micro Velour Small Grid Fabric - This fabric rapidly wicks moisture away from the skin, while still being highly breathable and ultra light., Delta Series - Air-permeable, mid layer fleece. Thermally efficient and provides next-to-skin comfort., Lightweight (LT) - High performance, minimalist design that is durable for its weight., Essentials Collection - Versatile high performance designs for diverse activities and conditions., Polartec Microfleece - Synthetic fleece textiles with stretch, warmth and air permeable properties. Offers durability., Relaxed Fit - For comfort and easy layering., High Collar and Chin Guard - Seals in warmth and helps to block your face from wind. Chin guard also protects against chafing., No Slip Zip - The main zipper is equipped with 'speed bumps' near the collar to avoid self-opening., Articulated Construction - No-lift gusseted underarms increases freedom of movement. Ergonomic design provides a natural fit., Small Accessory Storage - Securely store small accessories with you. Laminated sleeve pocket with laminated zip. Two hand pockets with zippers., Material: Polartec Classic 100 Micro Velour Small Grid / 100% Polyester, Warranty: One Year, Battery Heated: No, Closure Type: Full Zip Top, Wind Protection: No, Type: Turtleneck or Layering, Material: Synthetic, Wicking Properties: Yes, Sleeve Type: Long Sleeve, Water Resistant: No, Recommended Use: Snow, Sun Protection: No, Antimicrobial: No, Anti Odor: No, Insect Repellent: No, Quick Drying: Yes, Moisture Wicking: Yes, Windproof: No, Anti Wrinkle: No, Model Year: 2022, Product ID: 914941, Model Number: 23139 375421, GTIN: 0686487359949