Pyramex safety gray cooling vest size medium adjusts to XL and 2XL adjusts to 5XL. Features: Evaporative PVA panels keep you cool for up to 8 hours Quilted outer shell is made from soft polyester Zipper front closure Adjustable waist band Reusable and washable 2" silver reflective material Submerge in cool water 1-2 minutes before wearing to activate Specifications: Vest: 100% polyester solid material with quilted fill & mesh Cooling panel: poly vinyl alcohol Adjustable waist band: hook & loop Closure-Front: zipper General Specifications: Materials: Vest: 100% polyester solid material with quilted fill & mesh Reflective tape: China brand silver Cooling panel: poly vinyl alcohol Adjustable waist band: hook & loop Closure: Front: zipper Reflective striping: Two 2" silver reflective stripe applied horizontally across chest Two 2" silver reflective stripes run vertically from top of horizontal stripes, over shoulders to top of back side horizontal stripe Washing Instructions: Machine wash - cold water Do not bleach or use softener Do not tumble dry - low heat Do not iron Pyramex Safety CV100 Series Cooling Vest