THE TERRA™ MIPS® HELMET OFFERS SHARP LINES AND SMOOTH STYLE WHILE OFFERING THE ADVANCED PROTECTION OF MIPS, SOPHISTICATED VENTILATION, AND ON-THE-FLY VERTICAL TUNING CAPABILITY.THE TERRA™ MIPS® FREESTYLE HELMET DELIVERS ON THE PROMISE OF AN ULTRA-LIGHTWEIGHT PERFECT FIT IN A SLEEK, MODERN DESIGN.The streamlined profile is achieved through the new Passive Aggressive Venting system, a discreet yet powerful system that automatically manages airflow and temperature while in-motion riding, hiking or standing static. The overall look is finished with a slight brim and subtle lines for Seamless Compatibility with Giro goggles. The Terra MIPS® Helmet also features MIPS® technology, lightweight construction and the dialed-in fit of the In Form 2 Fit system for a barely there feel.ADULT SUPER FIT SIZECIRCUMFERENCES52 - 55.5 cmM55.5 - 59 cmCONSTRUCTIONWOMEN'S STYLING AND DETAILSTPU INJECTED BRIMREMOVABLE GOGGLE RETAINERREMOVABLE EARPADSVENTILATIONPASSIVE AGGRESSIVE VENTING SYSTEM - THE DISCREET EXTERIOR VENT DESIGN AND INTERIOR CHANNELING COMBINE TO CREATE OPTIMAL AIRFLOW AND TEMPERATURE REGULATION. THIS AUTO-VENTING TECHNOLOGY MANAGES AIRFLOW AND TEMPERATURE WHILE IN-MOTION RIDING, HIKING OR STANDING STATIC.STACK VENT™ TECHNOLOGYFIT SYSTEMTHE IN FORM™ 2 FIT SYSTEM IS LIGHTER AND LOWER PROFILE THAN THE ORIGINAL, MAKING IT EVEN EASIER TO DIAL IN A CUSTOM FIT IN SECONDS - EVEN WITH GLOVES ON. THE UPDATED ON-THE-FLY VERTICAL TUNING FEATURE ACCOMMODATES DIFFERENT GOGGLES AND HEAD SHAPES FOR A CUSTOM FIT FREE OF GAPER GAP.ON-THE-FLY VERTICAL TUNING - ACCOMMODATES DIFFERENT GOGGLES AND HEAD SHAPES FOR A CUSTOM FIT FREE OF GAPER GAPWEIGHT400G (SIZE MEDIUM)ELECTRONICS COMPATIBILITYCOMPATIBLE WITH AFTERMARKET GIRO AUDIO SYSTEMS BY OUTDOOR TECHCERTIFICATIONCE EN1077HIGHLIGHTSPLUSH MAX PADDINGREMOVABLE GOGGLE RETAILERREMOVABLE EAR PADSTPU INJECTED BRIMCOMPATIBLE WITH AFTERMARKET GIRO AUDIO SYSTEMS BY OUTDOOR TECH