Ergonomic mesh back allows air, body heat and water vapor to pass through, keeping away the buildup of heat and humidity close to the body. And this chair also offers an upgraded big ergonomic & adjustable seat with comfortable foam padding.Based on Structural Mechanics Principles, this Minimalism style chair is well built and sure is a compelling seating choice that refresh your office with its modern and fashion sense. Synchronized tilt mechanism provides smooth, effortless recliner and enables personalized fit, lock at any angle between 90 - 155 degree,which makes it a perfect office partner. Upholstery Color: Blue