Adjustable 1/4 Zip – Featuring a versatile 1/4 zip design, this men’s performance top allows you to easily adjust ventilation to suit your needs, making it perfect for layering in cooler weather or wearing solo during mild conditions High-Performance Comfort – The Reebok Energy Men's Long Sleeve Performance 1/4 Zip Top offers a soft, stretchable fabric that provides a comfortable fit while supporting a full range of motion Lightweight and Breathable – Made from lightweight, breathable material, the Reebok Energy Long Sleeve 1/4 Zip ensures freedom of movement and optimal airflow, making it a go-to choice for everyday use The Reebok Energy Men's Long Sleeve Performance 1/4 Zip Top combines a versatile 1/4 zip design for adjustable ventilation, soft stretchable fabric for high-performance comfort, and lightweight breathable material for enhanced mobility and airflow, making it perfect for everyday wear or layering.