The Wisdom of John Muir sponge Constructed with features you expect

Constructed with features you expect from a traditional mummy bag with additional body mapped insulation to optimize warmth where you need it and minimize pressure points and other 'side effects'

Contour Ergo Outfitting SystemDagger’s industry-leading outfitting system delivers unmatched comfort

Versatile West System 9oz woven E-glass fabric tapes

Publish Date: February 17

The Wisdom of John Muir sponge Constructed with features you expectA compilation of more than 100 of Muir's most evocative writings drawn from his diaries, journals, essays, and books. As you read the stirring words of this iconic naturalist, you'll feel the wildness of nature calling to you, through Muir's writings, you'll experience the solace and beauty of a sugar pine forest, the adventure of one harrowing night spent on a glacier, and the wonder of the pristine Yosemite Valley and the Sierra Nevada Mountains