What is Tog? Duvets & Quilts work by trapping warm air, & the higher the tog rating, the more warmth the duvet will provide. The table below will help you decide which tog rating is right for you. Season Tog Rating Summer 4. 5 Spring 10. 5 Autumn 13. 5 Winter 15. 0 All Seasons 4. 5 + 9. 0 or 4. 5 + 10. 5 Uk Bedding Size Chart Duvet Size Metric Imperial Single 135cm x 200cm 4ft 5" x 6ft 7" Double 200cm x 200cm 6ft 7" x 6ft 7" King 230cm x 220cm 7ft 7" x 7ft 3" Superking 260cm x 220cm 8ft 6" x 7ft 3" What is Microfibre? Microfibre is a ultra fine & ultra soft fibre which is lightweight but has high thermal retention properties. Our duvets use Primaloft microfibre which was developed for the us army as an alternative to down. The advantage for the army was that when a sleeping bag became wet it would still retain its insulating capabilities unlike down or hollow-fibre. Nowaday, s due its soft fluffy velvety texture it is used in bedding. The filling compromises of 100% microfibre. The microfibre content provides high loft, extra softness & traps warm air efficiently. This gives the duvet a really sumptuous cozy feel as it drapes softly over the body. The 100% microfibre is used to keep the quilt balanced & to avoid cold spots. This is then treated with ultra fresh which controls the house dust-mite, the most common cause of allergies also inhibits bacteria growth & keeps the fabric feeling fresh wash after wash. • Easy care, fully washable • Quality 100% microfibre cover • Brand new & sealed in a presentation bag • Manufactured with care • Designed to drape comfortably & softly around the body • Provides warmth without weight • Anti dust mite • Conforms to furniture & furnishings regulations