Packs/Systems

The Duro 15 is built for big days where your pack is the only aid station you'll find. For runners more interested in routes than races, with plenty of room for all-day or even multi-day kits. Whether you sip bottles or use a reservoir, the Duro 15 will keep you company and see you through the longest of days. Convenient features, like 15 liters of capacity, hipbelt pockets, included hydration, soft flask compatibility (or use both for long, water-scarce routes), and bounce-free carry, this is the pack for aspiring ultrarunners and adventurers everywhere. BUILT FOR SPEED - Vest-pack fit provides bounce-free stability and purpose-built for incredible comfort so you can focus on FKT's and PR's. HYDRATION INCLUDED - Bottles, reservoirs, and add-on flexibility for short runs, long runs, and everything in between. You decide what you need. Duro/Dyna makes it possible. EASY GEAR ACCESS - Pockets up front for quick access to fuel and soft flasks, trekking pole storage when you need to use your hands as much as your feet to move forward, and room for rain gear and extra layers. FULL AIRMESH BACKPANEL - Breathable mesh wrap with soft, irritation-free contact surface BODY WRAP HARNESS - Adjustable and removable dual chest straps for stability - Front harness gear- and food-organization pockets - Breathable mesh wrap with soft, irritation-free contact surface - Die-cut EVA foam for larger loads FULL AIRMESH HIPBELT - Mesh-covered, perforated foam harness - Modified straight ErgoPull hipbelt closure - Zippered stretch-mesh bodybelt pockets - Seamless integration with vest-pack-style fit - Included Osprey Hydraulics 2.5 LT reservoir with QuickConnect and sternum-strap magnet for bite valve - Front panel zippered main compartment and separate zippered internal reservoir sleeve - Front panel zippered slash pocket - Accessible dual lower side panel zippered stretch-mesh pocket - Lower stabilizing/expansion compression straps - Snap-in adjustable/removable dual chest straps for customized stability - Vertical zippered harness slash pocket for valuables or phone - Dual extra-large stretch-mesh soft flask/food harness pockets - Dual lower stretch-mesh food/supplement harness pockets - Trekking pole attachment - Tuckaway safety whistle - Front panel stretch-mesh compression pocket - Hipbelt stabilizing wrap with zippered pockets - S/M [34-40" / 86-102cm] M/L [39-45" / 99-114cm]—chest measurements

Want to hit the trail for a quick ride that calls for water and just a few minimal pieces of gear? The low-profile Katari 7 is your go-to pack. A light and airy mesh harness with rolled soft edges provide contouring comfort around your shoulders for excellent fit, while a removable webbing hipbelt enhances stability. An included 2.5-liter reservoir slips into an external hydration sleeve with a magnetic bite valve attaching to the sternum strap. A vertical front zip pocket is just roomy enough to carry the essentials, like a spare tube and tools or a rain jacket. Store food and other small items you want to access quickly in stretch-mesh side pockets. Functional and versatile, no one is stopping you from using this pack for activities in the off season. LOW-PROFILE CARRY - When carrying water and a few essentials are all that's needed, the Katari/Kitsuma provides a lightweight option that rides close to your back for stability on any trail. RESERVOIR INCLUDED - An Osprey Hydraulics LT 1.5L or 2.5L reservoir keeps you hydrated all day long and stores in an external hydration compartment to protect pack contents from accidental spills. RIDE STABILITY - Our rolled, soft-edged harness contours to the upper shoulders to keep the pack close to your body and provide stability. AIRSCAPE SUSPENSION - Atilon foam framesheet allows dynamic body movement and distributes load across entire backpanel AIRSCAPE BACKPANEL - Ridged airmesh-covered foam with center air channel for excellent ventilation BIOSTRETCH HARNESS - Lightweight, ridged airmesh harness provides ventilated comfort - Rolled, soft-edged harness designed to contour the shoulder providing comfort and stability - Low-profile design with AirScape backpanel and rolled, soft-edged harness for maximum comfort - Dedicated hydration compartment with included Osprey Hydraulics LT 2.5L reservoir by Hydrapak - Magnetic sternum-strap bite-valve attachment - Zippered, scratch-free heat-embossed slash pocket - Loop for blinky-light attachment (light not included) - Dual-stretch-mesh side pockets - Front panel vertical zip compartment with tool organization

When you don't need to carry much except water and a few essentials, the women's-specific Kitsuma 7 is an ideal hydration-carrying solution for bike rides and beyond. A vertical-zip front compartment is big enough for a spare tube, multi-tool, and light windbreaker. Behind it, a separate external sleeve stores an included 2.5-liter reservoir with a magnetic sternum-strap attachment for the bite valve. An AirScape backpanel features outstanding ventilation via airmesh-covered foam and a center air channel. A super-light and airy harness with rolled, soft edges make for a pack so stable and comfortable you'll barely notice it. Side mesh pockets store things you'll want to access easily, like food or arm warmers. LOW-PROFILE CARRY - When carrying water and a few essentials are all that's needed, the Katari/Kitsuma provides a lightweight option that rides close to your back for stability on any trail. RESERVOIR INCLUDED - An Osprey Hydraulics LT 1.5L or 2.5L reservoir keeps you hydrated all day long and stores in an external hydration compartment to protect pack contents from accidental spills. RIDE STABILITY - Our rolled, soft-edged harness contours to the upper shoulders to keep the pack close to your body and provide stability. AIRSCAPE SUSPENSION - Atilon foam framesheet allows dynamic body movement and distributes load across entire backpanel AIRSCAPE BACKPANEL - Ridged airmesh-covered foam with center air channel for excellent ventilation BIOSTRETCH HARNESS - Lightweight, ridged airmesh harness provides ventilated comfort - Rolled, soft-edged harness designed to contour the shoulder providing comfort and stability - Women's-specific fit and sizing - Low-profile design with AirScape backpanel and rolled, soft-edged harness for maximum comfort - Dedicated hydration compartment with included Osprey Hydraulics LT 2.5L reservoir by Hydrapak - Magnetic sternum-strap bite-valve attachment - Zippered, scratch-free heat-embossed slash pocket - Loop for blinky-light attachment (light not included) - Dual-stretch-mesh side pockets - Front panel vertical zip compartment with tool organization

Riders looking for a low-profile lumbar pack with integrated hydration need look no further than the Seral 4. This slim waistpack features a 1.5-liter bladder with our updated high-strength magnetic coupling for improved hose management even in rough terrain. the Seral 4 has enough storage capacity for ride essentials, such as a spare tube, CO2 and multi-tool and, of course, snacks. Constructed with high-quality bluesign-approved recycled high-tenacity nylon with a PFC-free DWR coating. Lumbar Carry For riders who require hydration or gear storage while riding, but prefer the off-the-back carry and minimalism provided by lumbar packs. Ride Stability Our bike-specific, angled hipbelt and compression straps provide stability and comfort by keeping the pack close to your body. This is created by a breathable airmesh wrap hipbelt that contours over the hipbone, Osprey's ErgoPull cross-body waist strap closure system that pulls the pack into the lumbar and side compression straps that pull the load close to your body, providing the most comfortable, secure and stable carry. Included Reservoir A dedicated hydration compartment stores an included 1.5 L lumbar reservoir for short to medium rides and compresses for stable carry, while the hose magnet attaches to the bite valve for easy access while riding. Sustainable Materials Constructed with PFC-free recycled bluesign-approved nylon; a sustainable build that's tough and durable to endure years of riding. - AirScape backpanel with contouring lumbar wrap provides maximum stability - Included Osprey Hydraulics 1.5 L lumbar reservoir by Hydrapak - Magnetic hipbelt bite valve attachment - Large zippered main compartment with reservoir sleeve - Main compartment tool organization and internal zippered pocket - Blinker light attachment with reflective graphic - Extra-thick ridged foam with center air channel for excellent ventilation - Airmesh wrap hipbelt with zippered fabric pockets provide stability and breathability - ErgoPull waist strap closure system allows for proper snug and stable fit

Prefer an off-the-back hydration solution instead of an over-the-shoulder pack? The Seral 7 lumbar pack was made for you. Featuring an included 1.5-liter lumbar reservoir and magnetic bite valve that attaches to the hipbelt for easy access. Some lumbar packs have a tendency to creep around while you ride, we promise this one won't. Compression straps pull the pack into your lower back and wrap around your hips for supreme stability, even over technical terrain. A zippered main compartment and hipbelt pockets fit your spare tube, patch kit, CO2 inflator and more. Lumbar Carry For riders who require hydration or gear storage while riding, but prefer the off-the-back carry and minimalism provided by lumbar packs. Ride Stability Our bike-specific, angled hipbelt and compression straps provide stability and comfort by keeping the pack close to your body. This is created by a breathable airmesh wrap hipbelt that contours over the hipbone, Osprey's ErgoPull cross-body waist strap closure system that pulls the pack into the lumbar and side compression straps that pull the load close to your body, providing the most comfortable, secure and stable carry. Included Reservoir A dedicated hydration compartment stores an included 1.5L lumbar reservoir for short to medium rides and compresses for stable carry, while the hose magnet attaches to the bite valve for easy access while riding. Sustainable Materials Constructed with PFC-free recycled bluesign-approved nylon; a sustainable build that's tough and durable to endure years of riding. - AirScape backpanel with contouring lumbar wrap provides maximum stability - Included Osprey Hydraulics 1.5 L lumbar reservoir by Hydrapak - Magnetic hipbelt bite valve attachment - Large zippered main compartment with reservoir sleeve - Easily accessible zippered front pocket with internal tool organization - Dual zippered hipbelt pockets - Blinker light attachment with reflective graphic - Extra-thick ridged foam with center air channel for excellent ventilation - Airmesh wrap hipbelt with zippered fabric pockets provide stability and breathability - ErgoPull waist strap closure system allows for proper snug and stable fit