Gore Bike Wear Men's Contest Full Zip Jersey, White/Black, Small Microfibre - Essential for balanced temperature management. Microfibre is breathable and has excellent thermoregulation qualities. The fabric is stretchy, has rapid drying qualities, and is resilient, durable, and easy to care for. Mesh Inserts - This mesh helps to promote breathability, keeping you fresh and cool. Contrast Flat-Lock Seams - Provides additional comfort and helps to prevent the risk of chafing. Partially Elastic Gripper on Hem - Keeps the top comfortable and prevents slipping. 3-Compartment Patch Pockets on Back - Ideal for essential storage of small items.