BUFF Original Boreal Forest Kuhl the Thru-Link lets you use

the Thru-Link lets you use your reservoir as a gravity system for the luxury of pump-free filtration

stainless steel spikes and flexible spike plates which gives you a good grip on icy surfaces

water-repelling and sun-blocking technology

Easy Carry Ergonomic grab handle

Coghlan's Signal Mirror is an essential item for any backcountry adventure

BUFF Original Boreal Forest Kuhl the Thru-Link lets you useDescription Features & Specs With this collection, celebrate the hidden gems and the beautiful winter elements, that inspire us to have adventures, awakening our desire to embrace the season and explore new places. Also, focus on our collective responsibility to do more now to protect the future of these hidden gems. Exclusive design created by artist Hayley Stewart. Original EcoStretch Tubular: Multifunctional product designed for all year round use.