The Arbormax Ascend Trousers are premium arborist chainsaw trousers. They weigh just over 1kg, are comfortable, durable and fully certified to AUS/NS4453.3 1997ï¿½ï¿½The trousers are made with new generation lightweight Arrestex HP chainsaw protective fabric. This durable high abrasion resistant, stretch upper garment fabric gives ease of movement as well as long-lasting wear. There is also stay dry-waterproof, tough fabric to above the knee which also increases durability.ï¿½ï¿½The trousers have zipped rear vents for adjustable cooling. They also have zipped pockets with zipper pulls which make it easier to open them while wearing gloves; and a separate mobile phone pocket.