This thermic sports bottle waist bag isВ useful during trainings on skis, bike and cross-country ski. Comfortable, it is convenient to wear. This bag has a pocket, very easy to put a key, a phone or a few coins. You can add 1 liter of water. Excellent resistance, from dense fabric. 1 side pocket + the pocket for the bottle. Reinforced back and shoulder straps, keeps well at the waist.