Haven Well Within. A thoughtful collection of lounge, sleep, home, and lifestyle essentials — and your trusted resource for all things wellbeing. Simply classic with a timeless notch collar and elevated piping detail. This pajama shirt is made with 100% organically grown cotton — it will keep you cool, feel crisp and get softer with every wash. For a complete look, pair it with the matching pajama pants. Notched collar. Long sleeves. Front pocket. Button front. Side vents.