Petzl STRATO Comfortable Lightweight Helmet Colour:White It has ventilation holes with

It has ventilation holes with sliding shutters to allow airflow through the helmet

The core insert base with top plate is constructed of mild steel

AVAO BOD FAST features leg loops with FAST automatic buckles

as well as reduced bulk

Watertightness: IP 67 (waterproof to -1 meter for 30 minutes in fresh water)

Petzl STRATO Comfortable Lightweight Helmet Colour:White It has ventilation holes withThe STRATO helmet is very lightweight and comfortable, thanks to its CENTERFIT and FLIP&FIT systems, which guarantee that the helmet fits securely on the head. The adjustable strength chinstrap makes it ideal for both work at height and on the ground. The unventilated outer shell protects against electrical hazards, molten metal splash and flames. With its potential for integration of a Petzl headlamp, hearing protection, and multiple accessories, it