What does 'tog' mean and why is it important for choosing a duvet?

Tog is a measure of thermal resistance that tells you how well a duvet traps heat. It helps you match your bedding to your bedroom temperature and sleep style for year-round comfort.

What are the typical tog ranges for summer, all-round, and winter duvets?

Summer duvets are around 1.5-4.5 tog, all-round duvets range from 7-10.5 tog, and winter duvets are 13.5 tog and above. Your personal comfort may vary based on your sleep habits and home insulation.

How can I achieve year-round comfort with my duvet in South Africa?

You can use a single midweight 7-10.5 tog duvet in mild climates, buy an all-season set with a light and midweight duvet that clip together, or layer a lightweight duvet with a seasonal topper for flexible warmth.

How do natural and synthetic fills differ for all-season duvets?

Natural fills like down or wool offer high warmth with less bulk and better breathability, while synthetic fills are often heavier for the same tog and can feel warmer. Fill choice affects care and longevity too.

What are estimated prices for duvets in South Africa?

Lightweight synthetic duvets start around R300-R600, while midweight natural-fill duvets like wool or down blends typically range R800-R2,500 depending on fill quality and size. Check product pages for exact pricing.

All-season duvet weight guide: choose the right tog for year-round comfort

Practical all-season duvet weight guide for South Africa. Learn tog ranges, fill pros and cons, care tips and simple setups for year-round comfort.

Published:May 18, 2026

Updated:September 10, 2026

5 min read

Photo by Susan Wilkinson on Unsplash

What ‘tog’ means and why it matters

A duvet’s warmth is usually expressed in a tog rating - a measure of thermal resistance that tells you how well a duvet traps heat. The tog number isn’t about thickness or quality on its own: it’s a lab measure of insulation that helps you match bedding to your bedroom temperature and sleep style.

Typical tog ranges (quick reference)

Summer / cool-home: around 1.5-4.5 tog
All-round / transitional: about 7-10.5 tog
Winter / cold rooms: 13.5 tog and above

These ranges are a practical starting point - your personal comfort will depend on whether you sleep hot or cold, whether your house is well insulated, and the season. Many manufacturers sell a light and a midweight duvet that can be joined or layered to create a warmer combined tog for winter.

All-season approaches that actually work

There are three realistic ways to get year-round comfort without swapping duvets multiple times:

Use a single midweight all-round duvet (7-10.5 tog) if you live in a mild climate or have good insulation.
Buy an all-season set: a light (≈4.5 tog) and a mid (≈9-10.5 tog) that clip or button together to form a warmer duvet for winter. This is common and flexible.
Layer: keep a lightweight duvet year-round and add a thinner seasonal topper in winter - useful for couples with different temperature needs.

How weight, fill and tog relate

Tog is about thermal resistance, while fill weight (grams per square metre) and fill type affect the duvet’s feel, weight and breathability. Natural fills such as down or wool can give high warmth with less bulk, while synthetic fills are often heavier for the same tog and can feel warmer to some sleepers. For technical context on how fillings are assessed and labelled, see industry guidance.

Choosing by where you sleep in South Africa

South Africa’s climate varies - coastal summers can be humid and inland winters can be cold at night. If you live in a cooler inland town, you may want a warmer base tog than someone on the Durban coast. Seasonal patterns and local insulation matter more than a single national rule. For an overview of seasonal temperature patterns, see regional climate summaries.

If you’d like to compare practical options, browse our range of duvet inners and related bed linen on Bash: Duvet Inners & Pillows. This helps you see available tog pairings and fillings in one place.

Quick tip: if you share a bed and have different temperature needs, try two separate duvets on the same bed (two thin duvets are easier to tailor than one heavy one).

Price expectations (South African context)

Duvet prices in South Africa vary by fill and brand. As a rough estimate: lightweight synthetic duvets can start around R300-R600; midweight natural-fill duvets (wool or down blends) typically range R800-R2 500 depending on fill quality and size. These are estimates to help budgeting - check product pages for exact pricing and current offers.

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Picking the right filling for all-season use

Fill choice affects breathability, care and longevity. The common options are:

Down: excellent warmth-to-weight, more expensive, needs careful washing or professional cleaning.
Feather or down-blend: good value, slightly heavier feel.
Wool: naturally thermo-regulating and breathable; it can feel comfortable across seasons and is a strong option where humidity varies.
Synthetic (hollowfibre / microfibre): easier to wash and hypoallergenic for some users but can trap more heat at the same tog.

How to test a duvet quickly in the store or at home

Check the tog rating and the fill weight - a low tog with a high fill weight of a dense synthetic can still feel warm.
Ask about construction (box-stitch or baffle-box) - better construction helps even warmth distribution.
If possible, lie under a demo for 10-15 minutes in a similar sleep outfit to how you’d sleep at home; notice if you get hot or stay cool.

Caring for an all-season duvet so it lasts

Follow the manufacturer’s care instructions. Many synthetic duvets can be machine washed at home, while natural fills often require professional cleaning or careful home laundering. Using a breathable duvet cover and airing your duvet on dry days keeps fillings fresh longer.

For practical tips and deeper reads on making your bedroom sleep-ready, see related Bash guides: Bed & Linen articles and our Home articles for broader household comfort advice.

A simple decision checklist

Do you sleep hot or cold? Choose lower tog for hot sleepers and higher tog for cold sleepers.
How insulated is your home? Poorly insulated rooms need higher tog.
Do you want low-maintenance care? Synthetic fills wash easily.
Do you prefer lighter weight for movement? Natural fills often give warmth with less bulk.

We hope this guide helps you feel confident choosing an all-season duvet that fits your life - whether you’re in a windy Karoo town or a humid coastal suburb. When you’re ready to look at options, visit our duvet selection to compare tog combinations and fillings. Explore duvet inners.

If you want, we can help you compare a few specific duvets from our range - tell us the size you need and whether you sleep hot, neutral or cold, and we’ll suggest suitable tog pairings and fill types.

Last updated: September 10, 2026

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All-season duvet weight guide: choose the right tog for year-round comfort

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Why Choose Bash?

Free Delivery

30-Day Returns

Nationwide Support

Understand tog

All-season options

Choose filling wisely

What ‘tog’ means and why it matters

Typical tog ranges (quick reference)

All-season approaches that actually work

How weight, fill and tog relate

Choosing by where you sleep in South Africa

Price expectations (South African context)

Picking the right filling for all-season use

How to test a duvet quickly in the store or at home

Caring for an all-season duvet so it lasts

A simple decision checklist

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