1. MATERIAL: The cycling mask is crafted from nylon, polyester, and spandex, offering flexibility and lightweight comfort. It is breathable, skinfriendly, sturdy, and durable, suitable for both hand and machine washing, and dries quickly. 2. PACKAGE CONTENTS: You will receive 1 bicycle bib in a black base color with a threedimensional black grain. The approximate size is 40 x 23 cm, featuring fourway stretch for flexible adaptation to different head circumferences. It springs back quickly without feeling tight. 3. BREATHABLE DESIGN: The mask features a breathable mesh design over the mouth and nose, ensuring airflow while promoting heat dissipation and sweatwicking. Its threedimensional cut and refined edges prevent slipping. 4. ALLSEASON MASK: This lightweight half hood provides yearround comfort, keeping you warm in winter and shielding you from the sun in summer. It also doubles as a fashion accessory to enhance facial contours.