Quickdrying performance: Made from breathable mesh fabric that moves moisture away from the skin for fast evaporation during riding, hiking or beach activities. Reduces sweat buildup so you stay cooler and drier on warm days. Ultralightweight and packable: Weighs just 30 g, low bulk for travel and easy to stow in a pocket or pack without adding weight. Breathable construction: Ventilated mesh across the crown and sides promotes continuous airflow to help prevent overheating during long activity. Reinforced stitching improves durability for frequent outdoor use. Helmetcompatible fit: Designed to sit securely under a helmet and stay in place during intense movement, so you get extra comfort without interfering with safety gear. Sun protection and visibility: Wide brim provides shade and helps reduce glare on sunny outings, making it comfortable for allday wear. Adjustable size for most adults: Circumference adjusts from 52–58 cm to provide a stable, comfortable fit for a wide range of head sizes. Six color options: Choose from six distinct colors to match your style or outdoor apparel. Practical use cases: Longdistance cycling: Wear under your helmet to control sweat and heat while keeping a lowprofile, secure fit for long rides. Day hikes and climbs: Lightweight ventilation and quickdrying fabric make it ideal for multihour hikes, peak attempts, or scrambling in warm weather. Beach and outdoor photography: Wide brim and breathable design help keep you comfortable while you shoot or spend extended time outdoors. Key attributes at a glance: Material: Breathable mesh fabric Weight: 30 g Size: Adjustable 52–58 cm circumference (fits most adults) Features: Ventilated crown and sides, reinforced stitching, wide brim, helmetcompatible design Colors: 6 options What this hat solves: it minimizes sweat and overheating, fits comfortably under helmets, adds sun shading without bulk, and holds up to frequent outdoor use — a practical choice for cyclists, hikers, climbers, and outdoor photographers.