Lightweight in-mold build with MIPS® + Koroyd® protection and adjustable climate control makes the Smith Altus perfect for all-mountain performance. Specifications: Construction: In-mold shell combining exterior polycarbonate and EPS liner. Protection: MIPS® (Multi-Directional Impact Protection System) + Zonal Koroyd® impact absorption. Fit System: VaporFit™ dial adjustment system for 270° fit tuning. Ventilation: 10 vents with a Regulator one-hand climate control shutter; AirEvac™ goggle integration to reduce fogging. Liner/Ear Pads: Antimicrobial Ionic+/XT2® lining; removable audio-compatible ear pads. Certifications: ASTM F2040, CE EN 1077:2007 Class B. Sizes & Weight: Weight approx. 450 g (Size M) / ~16 oz. Size ranges include S (51-55 cm), M (55-59 cm), L (59-63 cm), XL (63-67 cm).
