POC Cortex Flow DH Helmet
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- Actual weight: 1025 grams (S/M)
- EPP multi-impact foam
- Removable cheek and crown pads
- Adjustable visor
- one-piece, fiberglass shell
Sizing (measured around the head just above eyebrows.)
- S/M 53-55 cm
- M/L 55-57 cm
- L/XL 58-60 cm
POC's Cortex Flow Helmet is safety taken seriously.
The most important feature of the POC Cortex Flow is it's EPP (expanded polypropylene) foam liner. Most, if not all other, cycling helmets use EPS (expanded polystyrene) foam liners, which are intended to deform—break—when impacted. EPP foam absorbs energy differently than EPS, and does not deform as readily. Why this matters to you, the helmet buyer, is that the POC Cortex is a multi-impact helmet, the only one we know of intended for bicycle use. A tough but light fiberglass shell holds the Cortx together and adds to it's strength.
Ventilation is the next part of the Cortex's story. Like the Receptor and Trabec helmets, looks can be misleading with the Cortex. Deep, strategically placed ventilation holes funnel air into and through the Cortex. A large mouthport sucks in air and aids flow. Also, special ear channels keep hearing near XC helmet-levels, and don't interrupt balance for sensitive individuals. A nice, comfy, padded chin strap has a buckle-fastener (typical of most cycling helmets) makes it easy to snug the POC Cortex to your head.