Features of the Black Crows Men's Corpus 3L Gore-Tex Bib Pant Minimalist design, strict functional spec and a three-layer Gore-TEX envelope Removable bib with zipped chest pocket Adjustable waist band with belt loops Two zipped hand pockets Two large cargo pockets Inside leg zipped ventilation Internal Snow gaiters with silicone gripper elastic Reinforcement kick patches Recco system consists of two parts: A Recco detector is used by professional rescuers to locate the Recco reflector you Are wearing Recco reflector is a small reflective antenna that comes integrated in sports appArel and equipment and is therefore always with you Recco detector emits a radar signal, like a beam from a flashlight Recco reflectors require no power and no activation to function Recco system is global, used by more than 800 ski resorts, SAR teams and helicopter bases