• Running Hydration Vest Base Unit.Professional hydration vest body and water bladder .designed for trail running and cycling. Reflective Safety Strips and Non-Slip Design
• 5L Capacity with 7 Pockets: Back sleeve securely fits 1.5L bladder, front dual 250ml quick-access bottle sleeves, left-front sunglasses loop. Features expanded phone pocket (fits 6.8" devices), gel slots, key clip, coin pouch, and emergency whistle for trail safety
• Comfort Fit & Ultra-Light:Fits 31"-50" chest. Slightly relaxed standard cut. Total weight 0.5 lbs (240g).lighter than a water bottle for all-day comfort
• Breathable & Durable Build:3D mesh back panel enhances breathability and sweat-wicking. Equipped with YKK anti-jam zippers and durable Duraflex buckles for long-term reliability
• Adjustable Fit. Adjustable chest/waist straps stay snug during runs. Built-in bladder holder keeps water steady for silent, focused workouts