The Flow Vest 12L builds on the 8L design with expanded storage. Streamlined, breathable, and lightweight, it features the same flexible pockets designed for quick access to keep gels, snacks, phones, and of course hydration close at hand. The fit can be tailored depending on the load and will give you the perfect body-hugging, bounce-free feel with maximum comfort for both road and trail running. Additional features include two extra zip compartments on the front, one extra main compartment on the back, and an elastic cord system for stashing layers or gear. Perfect for ultras, long adventures, or lightweight commutes where the final destination demands a change of clothes."
Highly personalizable with reflective and detachable details, suitable for various activities and body types.
Airmesh design for enhanced ventilation and comfort.
Chest compartments for 2 x 500ml Saysky soft flasks, with EVA padding for stability and protection.
Multiple expandable and zippered compartments, including a hydration compartment with a hanging strap in the back.
Detachable cords and pole-holder options for customizable adaption.
Open back compartment for extra storage and easy access.
Lamp loop and reflective elements for visibility in the dark.
Care guide:
Machine washable at 30°C.
Use the included washbag to protect both the vest and the washing machine.
Remove elastic strings before washing to extend their durability (optional).
Sizing Recommendations:
Size S: Perfect for slim runners and smaller builds, fitting a wide range of body types from XS to a small M.
Size M: A versatile option for medium-sized individuals, spanning from a larger S to a small L.
Size L: Ideal for larger frames, offering a fit range from a big M to a small XL.
Each size features adjustable straps to accommodate in-between sizes or layering over light or thick clothing.
Male model is wearing a size M and female model is wearing a size S.
Saysky Size Chart
FIND YOUR FIT
Our styles come in five different fits – from performance-tight to relaxed and roomy. Find the fit that moves with you and matches your vibe.
TIGHT Next-to-skin fit that moves with you. Supportive and body-hugging for a secure feel.
SLIM Close to the body without being tight. Sleek and streamlined with a refined silhouette.
REGULAR Balanced and true to size. A classic fit precisely engineered for an optimal, unrestricted feel.
CASUAL A looser fit than our regular, offering a casual look with extra room throughout.
RELAXED Our most spacious fit. Loose and roomy with extra volume for a subtly oversized silhouette.
Please note that all measurements are shown in centimeters. If you have further questions, just reach out to: support@saysky.dk
Free standard shipping (3 - 6 days) on all mainland UK orders via FedEx
Free express delivery (1 - 2 days) for all orders over £150 via FedEx