Baselayer choice can make or break your day, make the right one with the Rotor Midlayer from Armada. This technical piece is crafted from 90% polyester and 10% elastane which work together to create a moisture wicking, breathable, and stretchy combo that keeps you comfortable all day long. The built in neck warmer doubles a hinged balaclava that fits under your helmet for added protection from the elements. Chafe-free flat seams and a next-to-skin fit make layering a breeze while UPF50+ shields out the sun's harmful rays on those bluebird spring days. The Armada Rotor Midlayer delivers comfort and performance so every day is the best day on the mountain. 90% Polyester / 10% Elastane, Next to Skin Fit, Built In, Under Helmet, Hinged Balaclava, Chafe-Free Flat Seams for Comfort, 4-Way Stretch, UPF50+, Moisture Wicking, Material: 90% Polyester / 10% Elastane, Warranty: One Year, Battery Heated: No, Closure Type: Pull Over, Wind Protection: No, Type: Turtleneck or Layering, Material: Synthetic, Wicking Properties: No, Sleeve Type: Long Sleeve, Water Resistant: No, Recommended Use: Snow, Sun Protection: Yes, Antimicrobial: No, Anti Odor: No, Insect Repellent: No, Quick Drying: No, Moisture Wicking: Yes, Windproof: No, Anti Wrinkle: No, Model Year: 2021, Product ID: 610922, Model Number: R0039201040, GTIN: 0842339160044