neoprene Imported 【Comfortable & Adjustable】 This outdoor chest bag used breathable mesh padding and comfortable neoprene fabric for the backside vest , it allows your back promotes airflow and prevents discomfort from trapped heat. All four adjustable straps provide a snug and personalized fit for maximum comfort. You'll barely feel like you're wearing it, even with items stored inside. 【Large Capacity & Lightweight】EDC chest pack size 10" x 10.2" x 2.0" and weighing only 0.85lb, this running chest pack provides ample space while being super lightweight. There are two small vertical pockets for credit cards, keys, ear buds, middle pocket for any sizes phones, batteries, notebook, wallets, the biggest waterproof zip pocket can hold your Pad etc. 【 Sturdy & Water-Resistant】This outdoor hiking chest bag is made of sturdy & water -resistant nylon, keeps your valuables dry during outdoor activities or workouts. Each pocket used thick foam which can protect your digital gears like phones, tech devices, Kindle, Power Bank, cable etc 【Anti-theft & Hands Freely】Our chest pack ensures that everything you need is easily accessible. Saving time to looking for your things quickly. It is an exercise chest pack and a reliable personal safety bag for your belongings during work, travelling, or any adventure you embark on. 【Water Bottle Pocket & Great present】We designed one mesh pocket on the backside of this chest pack so that you can keep your water-bottle with you while running , cycling , hiking. The purpose of this chest bag is helping you release your hands, and also this chest pack would be a great choice for birthday, New Year, Valentine's Day, Easter, Mother's Day, Halloween, Thanksgiving and Christmas. 【Patent & Copyright Protected】Anyone or companies who try to copy our design will be sued. Criuage Outdoor Sports Chest Bag For Men Women, Large Capacity Running Vest Rig With Water Bottle Pocket, Comfort Hands Freely EDC Chest Pack For Hiking,Cycling,Travelling