Fusions Meka II Work helmet is a helmet for outdoor work-related activities such as construction, window washing, tree climbing, etc. The Meka offers a wide range of adjust ability and 10 areas for ventilation to keep the users head cool and comfortable during activities. The in-mold poly carbonate shell with an EVA soft liner provides excellent impact protection and is incredibly lightweight: only a mere 407 grams (14.8 oz.)! padding offers comfort and moisture wicking. A 4 point suspension strap with EVA foam provides extra comfort around the ratchet system. Helmet also features headlamp clips available for use if needed, 2 slots for camp mounted ear muffs, and a rotating retention system allowing easy one-handed operation. If you're looking for a helmet with great fit, convenient use, and durability, the Meka is the helmet for you!