AGV's K3 SV uses two shell sizes and four EPS sizes for the best fit. A wind tunnel-designed vent system has four front openings and two rear extractors. The liner is removable and washable. An interior drop-down sun visor can be removed and replaced easily with special tools. The shield-removal system requires no tools, and the faceshield mechanism uses a Perimeter Visor Seal for improved sealing and protection against drafts and wind noise. (DOT and ECE, XS-2XL, three solid colors, $199.95, www.agv.com)
The Bell Vortex has a polycarbonate shell and comes with Velocity Flow Ventilation, a ClickRelease shield-removal system, a padded wind collar, and a padded chinstrap with D-ring closure. The interior is removable and washable. Integrated speaker pockets are standard. (DOT and Snell, XS-XXL, two solid colors, eight graphics, $179.95, www.bellhelmets.com)
The Biltwell Gringo has an injection-molded ABS shell with a hand-painted finish. The hand-sewn, brushed Lycra liner is removable and has diamond-stitched open-cell foam padding. The chin bar's pad is made with hand-sewn contrast stitching. Snap-on faceshields are sold separately. (DOT, XS-XXL, six solid colors, 11 graphics, $129.95-$189.95, www.biltwellinc.com)
HJC's IS-17 Solid has a polycarbonate composite shell and comes with a scratch-resistant Pinlock-ready faceshield that offers 95 percent UV protection (the Pinlock insert is sold separately). The RapidFire shield replacement system is quick and requires no tools. A three-position, smoke-tinted, flip-down sunshield is standard. The liner has built-in glasses grooves for eyeglass wearers. The crown and cheek pads are removable and washable. (DOT, XS-2XL, five colors, $179.95-$189.95, www.hjchelmets.com)
Scorpion's EXO-R710 Solid uses a fiberglass/Aramid matrix shell with a multi-layer EPS safety liner, and has EPS lining in the chinbar. An Everclear no-fog face shield is standard, and a ratchet system pulls the shield tightly against the eyeport for a secure seal. The KwikFit cheek pads are shaped to accommodate eyeglasses. The Aero-Tuned ventilation system has four front intake ports and three rear exhaust vents. Helmet speaker pockets are built in. (DOT and Snell, XS-2XL, four colors, $189.95-$199.95, www.scorpionusa.com)
The SS1600 from Speed & Strength has a Thermo-poly Alloy shell, a Cool-core removable and washable interior, a drop-down sunshield, and Air Strike direct course ventilation. The faceshield is anti-scratch, anti-fog, and UV resistant, and attaches with a Lock 'N' Load rapid-replacement system. The chinstrap uses double D-rings for secure retention. (DOT and ECE, XS-2XL, six graphics and two solid colors, $199.95, www.ssgear.com)