- Adjustable Design: The rear knob allows for quick adjustments, accommodating head sizes from 20.5 to 26 inches. The foldable mask and goggles feature an elastic band for a customizable fit, ensuring one size fits most. - FAST SF Helmet Features: Equipped with an adjustable head locking strap suspension system for a secure fit. It includes a rail, VAS shroud, loop patch, and anti-impact EPP cushion. The helmet also comes with a Picatinny adapter, goggles swivel clips, and an NVG mount adapter, plus a headset belt groove for optimal headset placement. - Tactical Goggles: Constructed from durable nylon, these goggles are designed for stability during sports. They offer a natural face fit, are breathable and comfortable, and provide impact resistance. The ergonomic design ensures an unobstructed field of vision. - Multi-functional Balaclava: Made from high-quality, soft, and breathable fabric, this balaclava can be paired with the airsoft mask for tactical games. It also serves as a scarf, hat, or neck gaiter for outdoor riding and other activities. Practical Use Scenarios: 1. Ideal for tactical airsoft games, providing protection and comfort with adjustable gear. 2. Perfect for outdoor enthusiasts, offering versatility as a balaclava or neck gaiter during biking or hiking. 3. Suitable for various outdoor sports, ensuring reliable impact protection and a secure fit.