It’s wicking, warming and ergonomic qualities make it a versatile, year-round, long-sleeve shirt. Wear it as an active fit baselayer in the winter, or as a standalone during workouts and recreation throughout the spring and fall.Features: Performance Fit: Body contouring fit conforms to movement. 4-way comfort stretch This product incorporates an antimicrobial treatment intended to protect the product from bacterial growth. The active biocidal substance is: pyrithione zinc. Ergonomic seaming Flatlocked construction Omni-Heat™ thermal reflective Omni-Wick™ Center Back Length: 29.125" Uses: Hiking, Ski / Snowsports Hiking type: Day hiking, Backpacking Composition: 85% polyester, 15% elastaneCare Instructions: Machine wash gentle 30 degrees Non-bio detergent No fabric softener No bleach Do not iron Do not tumble dry Do not dryclean Columbia Men's Midweight Stretch Long Sleeve Crew Baselayer Top Black 011 1638591