fitted top sheet only

Duvet fill weight is typically measured in grams per square meter (gsm) or ounces per square yard (oz/sq yd). It refers to the total weight of the filling material within the duvet, which directly correlates with the warmth and thickness of the bedding. A higher fill weight indicates a denser and heavier duvet, providing more insulation and warmth. Conversely, a lower fill weight suggests a lighter and less insulating duvet, suitable for warmer climates or personal preferences.

...

While bed linen and bed sheets are often used interchangeably, they are actually two distinct types of bedding that serve different purposes. Bed sheets are the primary layer that goes directly on top of the mattress, while bed linen encompasses a range of additional bedding items such as duvet covers, pillowcases, and decorative blankets. Whether you prefer the crisp coolness of freshly laundered sheets or the luxurious feel of high-quality linen, there are plenty of options to help you create the perfect bed for a good night's sleep.

...