4505 running thermal quarter zip long sleeve top in black 4505

Comfort and Function in One Thermal Top

The 4505 running thermal quarter zip long sleeve top in black 4505 is designed to keep you warm without overheating during chilly runs or outdoor workouts. Crafted from a blend of polyester and elastane, the fabric offers a snug yet flexible fit that moves with your body.

Key Features and Specifications

• Material: Moisture-wicking polyester and elastane for breathability and stretch
• Cut: Slim fit to minimize bulk and maximize layering options
• Color: Classic black that pairs easily with all running gear
• Design: Quarter zip with a stand-up collar for adjustable ventilation
• Long sleeves with thumbholes help keep sleeves in place and add extra coverage
• Flatlock seams reduce chafing during extended activity
• Machine washable for easy care and quick drying

Whether you're hitting the pavement in early spring or layering for winter training, this thermal top balances warmth and breathability well. It's not bulky, so you won’t feel restricted, and the quarter zip allows quick temperature regulation. While the design is simple, it’s thoughtful enough to support consistent performance.