Say goodbye to the hamster-wheel futility of ellipticals and stairsteppers, and gain real elevation with the trail-happy Sula 18. With enough capacity for spare layering, energy food, and water, plus the ventilated support of the ventilated VaporSpan suspension, this agile pack is a cardio kick in the right place. All you have to do is show up on time—but don’t worry, nature is open 24 hours.
VaporSpan is the future technology for ventilated day packs that brings an improvement in comfort and load transfer that eliminates the need for other back support structures. An ultra-soft cushion nestles against the lower back, while the flattest possible back section ensures unimpeded air circulation in the middle and upper back. EVAP moisture-transporting technology offers the design advantage of a back section with a tensioned spacer net, but transports moisture to the back of the net so that it evaporates faster and allows a noticeably cooler back on tour.