Men’s Omni-Heat™ Midweight Baselayer Half Zip | Columbia Sportswear

VERSATILE BASELAYER

This performance half-zip is the perfect first layer in winter, or a stand-alone in spring or fall. Unzip the collar for cooling.

WARM AND DRY

Our thermal-reflective lining holds heat in, while the wicking fabric keeps you from getting a chill.

PERFORMANCE FIT

The ergonomic, body-contouring seaming is made to move, and thumbholes keep the sleeves in place.

• Omni-Heat™ thermal-reflective breathable lining retains warmth using silver dots that reflect body heat, so you stay warm and comfortable as temps drop
• Omni-Wick™ keeps you dry and cool by pulling moisture to the fabric’s surface to evaporate, delivering fast-drying, next-to skin comfort in the heat
• 4-way comfort stretch
• Captures and neutralizes odor for long-lasting freshness
• Ergonomic seaming
• Flatlocked construction
• Thumb holes
• Center Back Length: 29.0 in / 73.7 cm