Sixer MIPS 4Forty Spark W Nomad W Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.6 out of 5 stars 565 4.7 out of 5 stars 534 — — SIZES S, M, L S, M, L UW UW TOTAL VENTS 26 HELMET VENTS, 4 BROW PORTS 15 VENTS 13 VENTS 15 VENTS VENTILATION DUAL FLOW VENTILATION FEATURES AIR PORTS ALONG THE BROW TO PROVIDE VENTILATION AND HELP DEFOG GOGGLES no data no data no data COMPLIANCE CPSC BICYCLE CPSC BICYCLE CPSC BICYCLE CPSC BICYCLE MIPS MIPS-EQUIPPED - MIPS STANDS FOR MULTI-DIRECTIONAL IMPACT PROTECTION SYSTEM, WHICH IS A LEADING SLIP-PLANE TECHNOLOGY INSIDE THE HELMET DESIGNED TO REDUCE ROTATIONAL FORCES THAT CAN RESULT FROM CERTAIN IMPACTS. MIPS STANDS FOR MULTI-DIRECTIONAL IMPACT PROTECTION SYSTEM, WHICH IS A LEADING SLIP-PLANE TECHNOLOGY INSIDE THE HELMET DESIGNED TO REDUCE ROTATIONAL FORCES THAT CAN RESULT FROM CERTAIN IMPACTS. MIPS STANDS FOR MULTI-DIRECTIONAL IMPACT PROTECTION SYSTEM, WHICH IS A LEADING SLIP-PLANE TECHNOLOGY INSIDE THE HELMET DESIGNED TO REDUCE ROTATIONAL FORCES THAT CAN RESULT FROM CERTAIN IMPACTS. MIPS (MULTI-DIRECTIONAL IMPACT PROTECTION SYSTEM) - A LEADING SLIP PLANE TECHNOLOGY DESIGNED TO REDUCE ROTATIONAL FORCES THAT CAN RESULT FROM CERTAIN IMPACTS CONSTRUCTION FUSION IN-MOLD POLYCARBONATE SHELL. PROGRESSIVE LAYERING: THE PROCESS OF ENGINEERING A HELMET LINER WITH VARIABLE EPS FOAM DENSITIES TO BETTER MANAGE THE TRANSFER OF ENERGIES AFTER SOME IMPACTS EXPOSED POLYCARBONATE ROLL CAGE FUSION IN-MOLD POLYCARBONATE SHELL A PROCESS PIONEERED BY BELL BONDS THE HELMET'S OUTER SHELL TO THE EPS FOAM LINER TO CREATE A STURDIER HELMET. FUSION IN-MOLD POLYCARBONATE SHELL - A PROCESS PIONEERED BY BELL BONDS THE HELMET'S OUTER SHELL TO THE EPS FOAM LINER TO CREATE A STURDIER HELMET. FUSION IN-MOLD POLYCARBONATE SHELL - A PROCESS PIONEERED BY BELL BONDS THE HELMET'S OUTER SHELL TO THE EPS FOAM LINER TO CREATE A STURDIER HELMET. VISOR 4-POSITION ADJUSTABLE VISOR: THE NO-SLIP DESIGN ALLOWS ON-THE-FLY ADJUSTMENTS SO THE RIDER CAN POSITION VISOR AT DESIRED ANGLE WITH A SIMPLE TUG UP OR DOWN GOGGLEGUIDE ADJUSTABLE VISOR ACCOMMODATES BOTH GOGGLES AND GLASSES INTEGRATED VISOR REMOVABLE VISOR FIT SYSTEM FLOAT FIT RACE - A STATE-OF-THE-ART LIGHTWEIGHT FIT SYSTEM FEATURING SEAMLESS INTEGRATION WITH MIPS, AN EASY-TO-TURN DIAL, WIDE-RANGE VERTICAL ADJUSTMENT AND PADDED WIDTH-ADJUSTABLE CRADLES FLOAT FIT A MINIMALIST, LIGHTWEIGHT FIT SYSTEM WITH AN EASY-TO-TURN RUBBER OVERMOLDED DIAL FOR ADJUSTMENTS (INTEGRATED WITH MIPS) ERGO FIT - SLEEK, EASY-TO-USE DIAL SYSTEM FOR ONE-HANDED ADJUSTMENTS (INTEGRATED WITH MIPS LAYER) ERGO FIT - SLEEK, EASY-TO-USE DIAL SYSTEM FOR ONE-HANDED ADJUSTMENTS INTERIOR SWEAT GUIDE PAD DESIGN PULLS MOISTURE AWAY FROM THE BROW PAD AND AWAY FROM EYEWEAR X-STATIC PADDING - QUICK-DRYING MATERIALS, WOVEN WITH REAL SILVER FIBERS SWEAT GUIDE PAD DESIGN PULLS MOISTURE AWAY FROM THE BROW PAD AND AWAY FROM EYEWEAR SWEAT GUIDE PAD DESIGN PULLS MOISTURE AWAY FROM THE BROW PAD AND AWAY FROM EYEWEAR no data WEIGHT 410 GRAMS (SIZE M) 380 GRAMS (SIZE M) 345 GRAMS 353 GRAMS