LIGHTWEIGHT & SNUG FIT: Rockrain Windrunner weights only 0.78 lb, which makes you very comfortable in running. We use the lightest and most durable fabrics, focusing on low-profile, all of which are designed to make you feel more comfortable.
FRONT POCKET & INSULATION LAYER: The front pocket can put small items like mobile phones and keys. The water bladder compartment contains an insulating layer, which can prevent water from freezing in winter and cold in summer.
2L HYDRATION BLADDER INCLUDED: The material of the 2L hydration bladder is BPA FREE, which has passed FDA certification. The black insulated sleeve can protect water tube better.
COMPETITIVE PRICE & CONCISE DESIGN: The design of Windrunner hydration backpack is very simple and concise, cutting down extra layers and weight, so you don't have to pay for things you don't need.
ROCKRAIN CUSTOMER SERVICE: As Rockrain Team pursues, we hope to provide you with the best service and products. If you are not satisfied with the backpack you purchased, please feel free to contact us. We will give you a satisfactory solution within 24 hours.