Technical Details: - In-Mold construction, 20 vents, inner evacuation channels - Rotexx: patent-pending Rotary Damping System - Spiderlock Solo IV - V-Lock divider - Airdry padding - Certifications: CPSC-ASTM F1447-CEN - 8.9oz / 252g

- Construction: In-Mold, 20 vents. Inner evacuation channels. - Rotexx: patent-pending Rotary Damping System - Stabilizing system: Spiderlock® Solo IV - V-Lock divider: Sliding device to adjust strap position. - Airdry® padding: Adjustment padding for better comfort. - Certifications: CPSC - ASTM F1447 - CEN - Weight: 9.3 oz/264 g

Technical Details: - In-Mold construction, 17 vents, inner evacuation channels - Rotexx: patent-pending Rotary Damping System - Spiderlock UNO - V-Lock divider - Airdry padding - Certifications: CPSC-ASTM F1447-CEN - 10oz / 285g