DryKewl Cooling Vest - Stay cool without needing air circulation like evaporative vests Pullover w/ mesh ventilation and scoop neck Can provide 5-10 hours of cooling relief per soaking You stay cool and dry. Water is contained inside pocket so you stay DRY! Lightweight, easy to activate, and durable Better than other evaporative vest because the DryKewl vest works even when you are stationary!