The Osprey Duro LT is a minimalist’s dream, re-engineered for runners who demand stability without the bulk. Born in the rugged Colorado Rockies, this vest is tailored for everything from dawn patrol trail sessions to chasing podium finishes. It features a new 360-degree stretch structured mesh backpanel that provides a body-hugging fit while maintaining exceptional breathability during high-output efforts. Built with sustainability at its core, the Duro LT utilises bluesign® approved, 100% recycled 70D nylon and polyester airmesh with a PFAS-free DWR treatment, ensuring a soft, irritation-free feel against the skin. Designed for the dedicated athlete, it balances a featherweight feel with a refined, close-to-body pattern that eliminates chafing, making it an essential companion for runners across any terrain or distance where speed is paramount.

Functionality is front and centre with the Duro LT, featuring two 500ml Hydraulics Soft Flasks housed in repatterned, bounce-free pockets with secure bungee anchors. The dual lightweight, adjustable elastic vest closure cords allow for dynamic movement without restricting your breathing. For organisation, you will find dual front stretch mesh pockets perfect for gels or supplements, alongside a vertical-zip front pocket that hides a removable safety whistle and a key clip. A spacious pass-thru lumbar pocket provides extra storage for a light layer, while front and rear reflective details ensure visibility during low-light road or trail sections. Although it maintains a sleek profile without integrated pole carry, it is fully compatible with the Duro Dyna Pro Quiver (sold separately) for those technical mountain days, keeping your rhythm completely uninterrupted.

Osprey Duro LT Features

• Two Hydraulics 500 ml Soft Flasks included
• 360-degree stretch structured mesh backpanel stabilises carry
• Dual lightweight and adjustable elastic vest closure cords
• Front flask pockets with bounce-free patterning and bungee securement
• Vertical-zip front pocket with removable, tuckaway safety whistle
• Compatible with Duro Dyna Pro Quiver trekking pole sleeve (sold separately)
• Front and rear reflective details
• Dual front stretch mesh food/supplement pockets
• Spacious pass-thru lumbar pocket
• bluesign® APPROVED, 85% 70D nylon (100% recycled), 15% spandex

Weight: 160g
Vest fit range is based on chest circumference at the widest part of the chest slightly below the armpits:
Medium: 37-42.5 in
Large: 42.5-46.5 in