Best Hydration Pack for Running & Hiking - 2L Lightweight Hydration Backpack with Leak-Proof Bladder for Men & Women - Perfect for Marathon, Cycling & Outdoor Adventures

Each one color is beautiful Bright color water backpack for stand out at your next music festival! COMPACT& LIGHTWEIGHT Low-profile, perfectly built for lightweight pursuits like running, road biking and ultralight hiking. They feel light and stable on your back and won't create any wind resistance. REFLECTIVE STRIPS FOR SAFE RIDING Front strap and back of the bag with reflective strips for safe riding at night.With an emergency whistle on the strap,you can use it in the emergency events. DURABLE WATER RESISTANT Padded shoulder straps, breathable system and water proof design are the perfect tool for outdoor sports. STRONG AND DURABLE SHOULDER STRAP The strap and fabrics are durable and can carry the weight of 20KG. HOLD YOUR HELMET With mesh cover on the bottom to hold your helmet Mesh and poriferous EVA design on the back for maximum breathability and heat dissipation.