Bike rides along the beach or snowshoeing in the backcountry - it's easy to stay hydrated on the go with Hydro Flask's Wide Mouth Flex Sip Lid. Designed with stainless steel pivots and a flexible strap, this cap moves when you do. Plus, it's made with Honeycomb Insulation to keep drinks cold up to 24 hours or hot up to 12 - no matter what the weather's doing outside.