The Zero Trousers are the next generation of premium arborist chainsaw trousers. They weigh less than 1kg, are cool, durable and fully certified to AUS/NS4453.3 1997ï¿½ï¿½Made with new generation lightweight Arrestex HP chainsaw protective fabric; and special Nilit Breeze fabric which is proven to reduce body temperature by wicking moisture away from the body. This durable outer fabric has 4-way stretch to allow greater freedom of movement and flexibility. It is also UV protective and abrasion resistantï¿½ï¿½The trousers have large cooling vents which body heat to escape faster. They also have four zipped pockets with zipper pulls which make it easier to open them while wearing gloves; and a separate mobile phone pocket. Orange hi-vis panels improve safety by ensuring you can be seen wherever you are.