Mountaineers Books Wilderness Navigation 4E Emergency Supplies and a replaceable instep strap

and a replaceable instep strap makes gear fixes on the go a breeze

the Dryfinger II membrane ensures complete waterproofing

expanded polystyrene (EPS) liner

Rims 650b disc

Mountaineers Books Wilderness Navigation 4E Emergency Supplies and a replaceable instep strapEmphasizes core and foundational navigation skills using a compass and map Expanded sections on how to use GPS and other technologies Each chapter includes a full set of practice problems For thirty years, Wilderness Navigation has been the official textbook used in outdoor education courses across the country, with more than 150,000 copies sold. This fourth edition continues to provide an excellent manual on the essential tools and proven techniques