In the warmer summer months, this anti-allergy polycotton 4.5 Tog Duvet and pillow set gives you a cool and comfortable night’s sleep. This excellent quality synthetic duvet allows you to breathe without losing the satisfaction of coziness that comes from luxury lofted bedding. This 4.5 tog duvet makes super-efficient use of its high-quality hollow fiber filling, trapping a surprising amount of warmth in its relatively lightweight design. This gives you the versatility of use throughout the year. In addition to the hollow fiber filling, this duvet features a polycotton cover that is as robust as it is soft.