OutdoorMaster Diamond II MIPS Ski Helmet, Matte White, Size Medium — Lightweight, Ventilated, MIPS Protection

OutdoorMaster Diamond II MIPS Ski Snow Sport Helmet is a lightweight, fully certified winter helmet that combines multi-directional impact protection (MIPS), adjustable ventilation, and a customizable fit for skiing and snowboarding.

Designed for riders who want a balance of safety, comfort, and temperature control, the Diamond II brings a polycarbonate shell and high-density EPS foam together with MIPS technology to reduce rotational forces during impacts. It meets ASTM F2040 and CE EN 1077 standards and packs practical features—removable fleece liners, ear pads with audio pockets, and an easy-to-operate venting system—so you can stay out on the slopes longer without sacrificing warmth, hearing, or fit.

How does the Diamond II protect my head during falls?

The helmet uses a layered protection approach: a tough polycarbonate outer shell, energy-absorbing EPS foam, and an integrated MIPS liner that helps reduce rotational motion transferred to the brain. The inner cushion envelopes the whole head for even force distribution and improved shock absorption.

• MIPS multi-directional impact protection system reduces rotational energy.
• High-density EPS foam dissipates linear impact forces.
• Polycarbonate shell resists penetration and surface impacts.
• Full inner cushion coverage for consistent cushioning across the skull.

Can I control ventilation while wearing gloves?

Yes. The Diamond II features eight vents—four of which operate with a glove-friendly toggle slider—so you can open or close airflow quickly without removing gloves. The helmet’s moisture-wicking mesh cap helps move humidity away from your head, preventing overheating and clamminess during intense runs.

• Eight vents for targeted airflow management.
• Four adjustable vents with a tactile slider designed for gloved hands.
• Moisture-wicking inner mesh reduces sweat buildup.
• Vent configuration helps balance warmth and cooling when conditions change.

How does the fit and comfort adapt to different head shapes?

OutdoorMaster built an easy dial-fit system into the Diamond II so you can micro-adjust circumference for a secure, stable fit. Removable fleece liners and thick earpads add warmth and can be washed, while the side straps and goggle clip let you fine-tune stability and compatibility with most eyewear.

• Rear adjustment dial delivers a precise and steady fit.
• Adjustable side straps accommodate various jawlines and helmets positions.
• Removable, washable fleece liner and ear pads for hygiene and warmth.
• Goggle-compatible shape plus rear clip secures goggles in place.

What size should I choose and are there audio options?

Measure around your head just above the ears to pick the right size: Small (51–54 cm), Medium (55–58 cm), Large (59–61 cm). The ear pads include small pockets for audio modules, letting you add a speaker system for music or calls without compromising fit or warmth.

• Simple head-circumference sizing chart for accurate selection.
• Ear pad pockets accept compact audio devices for hands-free listening.
• Beanie-compatible interior fits under lightweight headwear.
• Multiple color choices help match personal style and visibility needs.

Who is this for? The OutdoorMaster Diamond II MIPS Helmet is aimed at recreational skiers and snowboarders who prioritize certified impact protection and all-day comfort. It suits those who ride across mixed conditions and need adjustable ventilation, a snug dial fit, and washable liners—especially weekend warriors, resort enthusiasts, and learners stepping up from basic helmets. If you want a midweight helmet that balances safety features with practical conveniences like glove-friendly vents and audio-ready ear pads, the Diamond II is built for your slope days.