Various assortment of camp showers brands and models. All are 10 L dry bags with shower head tips. Fill them with water and hang them in the sun to heat up during the day. When you return to camp in the evening, you'll have a refreshing way to clean yourself up before crawling into your sleeping bag.
Please practice Leave No Trace principles: Use at least 300 feet from lakes and streams and do not disturb other trail users!
