New, Unused ※ Price gradually decreasing [Important] Prioritizing Simple Transactions ▶ No need to comment before purchase, no need for transaction messages ▶ Business (shipping) on weekdays only (may ship on weekends/holidays) ▶ May open and fold the outer box for repackaging before shipping ▶ No receipt. Please inquire with the manufacturer for warranty ▶ Price reduction/question comments will be immediately blocked Those who cannot read the description are prone to trouble and cannot transact. If you are not satisfied with the photos and description, please purchase from someone else. Wasenn Running Backpack Lightweight Waterproof Trail Running Pack, Running Vest Bag, Hydration Vest, Breathable, Reflective Tape, Anti-Shake Design, Commuting, Daily Use, Marathon, Cycling, Hiking Compatible [Ultra-lightweight 125g design for long-lasting comfort] Is a heavy backpack getting in the way of your running? This running backpack has an incredibly lightweight body, significantly reducing the burden on your shoulders and back. From trail running to commuting, it achieves a fit so comfortable you'll almost forget you're wearing it. [3D mesh structure for excellent breathability] Even in running scenarios where sweat and stuffiness are a concern, you can rest assured. The 3D mesh promotes airflow across the entire back, maintaining a dry and comfortable feel even on hot days or during long jogs. Enjoy a refreshing experience without stuffiness, even during marathons and trail runs. [Hydration system compatible for easy hydration] Securely stores water bags and drink bottles. The main compartment can hold a 1.5L hydration water bag. You can easily hydrate anytime, anywhere. [Reflective design for safe night running] You can use it with peace of mind even during early morning or night runs. Featuring high-brightness reflective tape, it reflects headlights effectively. It clearly signals your presence in the dark, ensuring safety. [Secure storage for smartphones and small items] Solves the problem of smartphones falling out and difficulty accessing small items while running. Equipped with a three-dimensional molded pocket that securely holds a 7-inch large smartphone. With multi-pockets for storing keys, gels, etc., access is smooth while running.