The Mountain Hardwear Fluid 26 has a versatile design that makes it a popular technical daypack. The Fluid 26 is light weight, a stable carry and features a well ventilated suspension; the CoolWave Suspension with air channels and breathable spacer mesh backpanel and lumbar provides excellent load support and great ventilation. The OTF (On-The-Fly) Compression lets user adjust load stability while wearing the pack without restricting motion. The large main compartment features an internal security pocket and a front compression pocket with stretch mesh panels is there for overloads, or a helmet while the large zippered mesh pockets on padded, ventilated hipbelt keeps essentials handy.