The Spyder Momentum top is built to be a staple in your base layer wardrobe. It is made with Avra fabric technology and constructed to be seamless with the perfect amount of stretch to create the perfect, active fit. This fabric features top-notch wicking abilities and quick drying technology which helps to regulate your core temperature, meaning you can work hard without overheating. The Momentum Top is designed to offer high end performance so you can remain comfortable from first to last chair. 51% Avra / 25% Nylon / 24% Elastane - Moisture Wicking, Quick Drying, Core Temperature Regulating, Seamless Construction - Comfortable, Avra Nylon Elastane Construction - Fit Stays Put During High Activity, High Low Knit Textures - Add Dimension, Fit: Tight, Warranty: Lifetime, Wind Protection: No, Material: Synthetic, Weight: Light, Type: Top, Wicking Properties: Yes, Water Resistant: No, Recommended Use: Snow, Antimicrobial: No, Anti Odor: No, Quick Drying: Yes, Moisture Wicking: Yes, Model Year: 2022, Product ID: 650118, Model Number: 198030 001 S/M, GTIN: 0192636019294