Ultraspire Zygos 4.0 Hydration Pack | 2L BPA & PVC Free Reservoir with Mag-Clip
Product Description
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| Zygos 2.0 | Zygos 4.0 | Epic XT | Bryce XT | |
| Hydration Included | 2L Reservoir with mag-clip to secure hose | 2L Reservoir with mag-clip to secure hose | Not included | Not included |
| Sizes | Small (30″-34″), Medium (33″-37″) or Large (36″-42″) | XXS (26”-32”), XS (28”-34”), SM (30”- 36”), MD (32”-38”), LG,(34”-40”) | Universal | Universal |
| Weight | 14.0 oz (396 g) | 16.0 oz (454 g) | 33 oz (935 g) with frame / 26 oz (737 g) without frame | 18 oz (510 g) |
| Capacity | 570 c.i. (9.34 L) | 854 c.i. (14 L) | 1526 c.i. (25 L) | 915 c.i. (15 L) |
| Recommended Use | From 50 k to 100-mile ultra-trail racing in high mountains or with the lists of gear required | Fastpacking, mountain biking, racing, ultra racing, and summit assaulting. | Trail Runing, Mountain Biking, Canyoneering, Fast Packing, Mountaineering, Rock Climbing. | Extreme multi-day, self-supported endeavors. Mountain biking, rock climbing, trail running, canyoneering. |