Ls2 Stream 2

🛡️ Safety & Shell Construction

• Made from Kinetic Polymer Alloy (KPA)—a nanotech blend of high-grade polymer and aramid fibers—offering impact absorption and energy dispersion. Certified to ECE 22.06 and DOT FMVSS 218, with built-in AREM for rotational-energy management .

• Weighs around 1,550 ± 50 g (approx. 3.4 lbs)—a reasonable weight for a dual-shell helmet .

🎯 Fit & Comfort

• Offered in 3 outer shell sizes and 5 EPS liners, with an intermediate oval shape to suit most head profiles .

• 3D laser‑cut cheek pads and an EPS “flex-crown” liner ensure a snug, hot‑spot‑free fit—fully removable, washable, hypoallergenic .

🌬 Ventilation & Noise Management

• Features dynamic flow-through venting: chin and top intakes, internal EPS channels, and exhaust ports, plus a chin curtain and breath deflector for reduced fogging .

• Generally quiet at moderate speeds; minor wind noise between 60–80 km/h reported, but still rated “2–4 steps below top-tier brands”

👁️ Visors & Optics

• Optically correct, UV- and scratch-resistant Class A polycarbonate visor, easily swapped via quick-release. It’s Pinlock-ready for anti-fog (Pinlock insert sold separately) .

• Includes a drop-down sun visor for easy glare control on the go .

🔒 Retention & Extras

• Features a micrometric quick-release chin strap—fast, secure, and safe .

• Reflective rear patch enhances nighttime visibility .

• Emergency cheek pad release system for safer helmet removal after a crash .

• intercom-ready pockets support LS2’s 4X or other comms systems .