The Solidur Infinity jacket is truly top of the line arborist apparel. This water repellent jacket features reflective stripes, abrasion resistant arms and sides, as well as underarm ventilation. It's many deep pockets located on the outside as well as inside are large enough to carry a first aid kit, cell phone, business cards, etc. The low back is great for keeping sawdust out of your shirt and pants. Arguably, the best feature is that the sleeves can unzip for the warmer days.