Stay hydrated in style with the Oasis Challenger sports bottle, designed for performance and everyday convenience. Crafted from durable 18/8 stainless steel inside and out, this 550ml bottle is food-grade and resistant to corrosion, ensuring long-lasting use. The double wall vacuum insulation minimises heat transfer and condensation, keeping drinks cold for up to 24 hours or hot for up to 6 hours. A quick release cap with a fast-pour spout allows for effortless hydration on the go, while the lea