Abstract: An ergonomically designed portable cooling seat is provided. The portable cooling seat according to current application is comprised of a flexible connection duct, a flexible air distributor that is in a form of plastic cushion, a tiny blower that installed inside of the connection duct to facilitate introduction of air from air-conditioner into the air distributor, and a solid structure that is foldable along the center thereof. The air distributor and the solid foldable structure are ergonomically designed and covered with soft clothes to form a portable cooling seat. The portable cooling seat supplies cool air to the back and beneath of the buttocks of a driver, while avoiding undesirable region such as perinea and shoulder, to prevents driver's body oozed by sweat.

Abstract: A work pants equipped with knee protection pads is provided. Four male clip buttons are placed on each leg member of the pants surrounding knee contacting portion of the work pants to avoid contact with knees when a wearer of the work pants kneel down. The knee protection pads for the work pants according to current application is equipped with four female clip buttons on the pad that receive the four male button clips on the pants. The knee protection pads are easy to detach from the work pants to wash the pants and pads separately. Objects such as wood chips, soil, nails, etc., get inserted between the pants and pads are easily removed by detaching the pad and sweeping them out.