86% Polyester / 14% Elastane
Here's what other sites are saying:
The Columbia Men's Baselayer Midweight Top will surprise you with warmth thanks to Omni-Heat's thermal reflective lining.
Columbia Sportswear Men's Midweight II Long Sleeve Top - The Men's Midweight II Long Sleeve Top by Columbia Sportswear is great for retaining breathability when your heart hits the red zone. This midweight top has Omni-Wick moisture transferring technology and thermal reflectivity for lightweight warmth. Omni-Heat reflective dots in zones that need the most warmth, and Omni-Wick in high-perspiration zones for maximum moisture transmission, help keep you warm and dry in all the right spots. It has Ergonomic seaming for comfort and freedom of movement, making this a perfect first layer for any outdoor winter activity, offering great performance with optimal comfort and maximum warmth. Antimicrobial treatment protects this product from bacterial growth, allowing you to enjoy your active day without worry. When it is time to get your layers ready for some backcountry action, make sure you have the Men's Midweight II Long Sleeve Top by Columbia Sportswear.
The Columbia Men's Midweight II Long Sleeve Top is a comfy baselayer in versatile midweight fabric with zoned wicking and thermal-reflective technology. Zoned thermal-reflective technology at front and back torso and breathable, sweat-wicking side inserts give you what you need, where you need it, while a versatile midweight fabric lets you wear this comfy long sleeve baselayer top in a wide variety of conditions and situations. Flat-lock seams slide smoothly over your skin and underarm gussets deliver great mobility. Construction: Omni-Heat thermal reflective, Omni-Wick, Active Fit, Antimicrobial treatment protects this product from bacteria growth, Ergonomic seaming, Center back length: 28", Imported, Fabric: Shell: 100% polyester Omni-Heat Reflective interlock, Side panels: 100% polyester interlock
- Rocky Mountain Trail
The best way to bundle up for the backcountry is to pile everything on like a layer cake and then peel it off piece by piece once the sun starts to thaw your frozen world. The perfect cozy baselayer, this midweight thermal long sleeve is this super-soft and Omni-Heat armed. Its Omni-Heat thermal reflective lining uses space blanket technology to trap your body heat without adding bulk, yet still retaining supreme breathability for times when your heart rate hits the red zone. The Midweight Long Sleeve is also durable, and anti pilling, and it fits close to the body for easy layer-ability. FEATURES: Fabric: 86% polyester/14% elastane, Omni-Heat thermal reflective, Omni-Wick advanced evaporation, Form fit, Antimicrobial treatment protects this product from bacterial growth, 4-way comfort stretch, Ergonomic seaming, Imported,