Silva Strive 5 Vest Socks it has two soft flask

it has two soft flask pockets with adjustable straps

or sit on it while exercising to increase the challenge of your workout to help build core strength and tone abdominal muscles

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The 360° mesh pocket system built into the waistband is great for storing all your essentials

Silva Strive 5 Vest Socks it has two soft flaskStrive 5 Vest is the ideal running vest for long distance runs and races. The sleek design in breathable materials accommodates a 5 liter packing volyme and smart features for versatile use. The vest is an updated version of our bestseller, Strive Light Black 5. The new Strive 5 Vest is 24% lighter, has an improved fit, attachments for running poles, and comes in four sizes and two colors: black and green. Versatile running vest for long runs and