- 【Breathable Comfort & Adjustable Fit】Our ergonomically designed running vest is crafted with lightweight, breathable mesh fabric to ensurer maximum breath-ability and comfort. The fully wrapped side waist design, combined with adjustable chest and waist straps, provides a comfort and personalized fit, preventing the pack bouncing while running. Available in two sizes to fit most body types
sportsnew Running Vest Hydration Backpack with 2L Water Bladder or 2*500ml Soft Flask, 10L Reflective Running Vest for Women Men, Adjustable Chest Straps Running Hydration Vest with Emergency Whistle Waterproof Phone Pocket and Mountaineering Staff Outlet, Lightweight Breathable Pack for Hiking Trail Cycling Marathon Race Jogging, Running Gear Accessories Essentials for Women Men