A stormproof bib designed by guides in Japan, with cross-venting leg vents to keep you chill on the skin track or when things heat up, and tested and developed durable at 11,053’ by the world-renowned Mammoth Unbound Park Staff to last during their 200+ day seasons. With pockets galore and a beacon/key hook, you’ve got all your essentials right where you need them. 2-layer bluesign® approved GORE-TEX Nylon stretch fabric + PFC free DWR Shell design Bathroom break zipper Outdoor apparel for severe wet conditions Made with PFAS chemicals Air-Flo™ inner leg vents Water-resistant front hand pocket zippers Merino wool blend inner waist band Lift ticket eyelet on belt loop Vertical zipper chest pocket Honeycomb fleece front upper panel Pant jacket connect™ system REECO® advanced rescue technology RFID blocking inner pocket Chest pocket inner key clip Boot gaiter with lycra stretch panel and boot lace hook BOA® compatible boot system in gaiter 500D reinforced inner kick panel Adjustable elastic shoulder straps Fully taped GORE-TEX seams Stretch fabric Boot gusset with zip closure Two internal pockets Five external pockets 7-pocket design