Fox Speedframe Solid Military Helmet

The Fox Speedframe Solid helmet delivers essential protection and the brand’s iconic style for all your Trail and All-Mountain rides. Featuring the Mips® protection system, a 360° fit, and highly effective channelled ventilation, this open-face helmet combines reliability, comfort, and clean design so you can hit the trails with confidence.

Fox Speedframe Solid helmet highlights

• Integrated Mips® protection: Reduces rotational impact forces transmitted to the brain during angled falls.
• High-performance ventilation: 17 vents combined with channelled EPS foam for continuous airflow.
• Custom 360° fit: Precise adjustment system lets you fine-tune the rear fit on the fly.
• 25° adjustable visor: Easily adjusted with one hand and compatible with sunglasses and mountain bike goggles.
• Integrated eyewear storage: Dedicated notches securely hold your sunglasses during climbs.
• Comfort and hygiene: Removable, washable, breathable liner for effective moisture management.

Technical specifications

• Protection system: Mips® technology absorbs and redirects rotational energy.
• Ventilation: Molded, channelled EPS foam with 17 optimized vents for maximum cooling.
• Fit: 360° adjustment system with a rear cradle adjustable to 4 retention heights.
• Visor: One-handed adjustment through a 25° range.
• Eyewear management: Dedicated storage solution for sunglasses.
• Inner padding: Removable, washable liner that wicks away sweat.

Materials and composition

• 38% EPS (Expanded Polystyrene)
• 34% PC (Polycarbonate)
• 22% Nylon
• 4% Polyester
• 3% POM (Polyoxymethylene)

Care instructions

• Clean with fresh water and mild soap.
• Avoid contact with aerosols, insect repellents, or sunscreens, as they can damage the helmet’s surface and structure.

Size and fit guide

To help you choose the right size, the head shape of Speedframe helmets is the same across the Solid, Pro, RS, and Lunar versions.

• Size S: Head circumference 51-55 cm (Weight: 370 g ±50 g)
• Size M: Head circumference 55-59 cm (Weight: 410 g ±50 g)
• Size L: Head circumference 59-63 cm (Weight: 440 g ±50 g)

See the full size guide here.

Helmet fit

• 360° adjustment system: Turn left to loosen and right to tighten. Adjustments are easy, even while riding.
• Rear fit: Four height adjustment points on the rear cradle let you customize the fit to your head shape.