Brooks Canopy Jacket Men's Made with recycled materials, the Brooks Canopy Jacket offers breathable and packable protection for inclement weather. This weatherproof running jacket shields you from the storm while also packing down for easy storage after it passes. If you're looking for reliable defense from wind and rain, add the Brooks Canopy Jacket to your running wardrobe! Breathable woven DriLayer® Seal fabric lets excess heat out without letting the elements in. Updated so the whole jacket stuffs into a built-in side sling pack — for convenience that won't add weight or obstruct movement Made with 100% recycled materials to reduce environmental impact Chin guard Draft-flap snaps keep jacket in place if you unzip for ventilation Zip-secure pockets Elastic at wrists keeps elements out Cinch adjustability for stay-put hood placement Stowable hood Hanger loop Made with recycled materials equal to 13 plastic water bottles Sizing Small: 35-37" chest Medium: 37-39" chest Large: 40-42" chest X-Large: 43-45" chest *Measurements refer to body size, not garment size.