How to Choose a DIM Nightwear Set for Warm or Cool Sleepers
By DIM | Women,Men and Children | Published: 2026-10-19
Category: Buying Guides
Not sure whether to pick a fine jersey set or a cotton ribbed one? This guide helps warm and cool sleepers find the right DIM pyjama fabric for a comfortable night.
Quick answer
For warm sleepers, a fine jersey set like the DIM x Ines de la Fressange ensemble offers light breathability; for cool sleepers, the cotton ribbed Slow Days Fresh Vibes set provides gentle insulation without overheating.
Why fabric weight matters for sleep temperature
Your body temperature drops slightly during sleep, but how much you feel that drop depends on your personal thermostat. Warm sleepers tend to wake up sweaty in heavy fabrics, while cool sleepers shiver in thin ones. Choosing the right pyjama set fabric weight helps you stay comfortable all night without piling on or kicking off blankets.
Fine jersey vs cotton ribbed – the key difference
DIM offers two common fabrics in its nightwear sets: fine jersey and cotton ribbed. Fine jersey is lightweight, smooth, and drapes loosely – it allows air to circulate, making it ideal for warm sleepers or humid nights. Cotton ribbed (1x1 rib) has a textured, slightly thicker structure that traps a bit of warmth while still being breathable. It stretches gently and feels snug against the skin, which cool sleepers often prefer.
How to decide: warm sleeper or cool sleeper?
- You wake up feeling too hot: Choose a fine jersey set (e.g., DIM x Ines de la Fressange). The thin, loose weave allows maximum airflow and won't trap body heat.
- You wake up feeling chilly: Choose a cotton ribbed set (e.g., Slow Days Fresh Vibes). The ribbed knit adds a subtle insulating layer while still being breathable.
- You sleep in a warm room or season: Look for short-sleeve or tank-top styles in fine jersey. The DIM x Ines de la Fressange set includes a camisole and loose trousers – ideal for summer or heated bedrooms.
- You sleep in a cool room or season: A cotton ribbed long-sleeve set or a short-sleeve top layered with the ribbed short set can provide gentle warmth without being heavy. If you're still unsure, consider buying one fine jersey top and one ribbed top to test which feels better on your skin.
Product facts
- Ensemble pyjama jersey fin marron profond DIM x Ines de la Fressange: Fine jersey fabric, lightweight and fluid The thin, airy jersey lets heat escape, so you stay cool without feeling clammy.

Ensemble pyjama jersey fin marron profond DIM x Ines de la Fressange - Ensemble pyjama short jersey coton côte rayé Slow Days Fresh Vibes: Cotton ribbed 1x1 knit with a textured, slightly thicker feel The ribbed structure holds a little warmth close to the body, perfect for cool sleepers who want a soft, cozy layer.

Ensemble pyjama short jersey coton côte rayé Slow Days Fresh Vibes
Which set fits your sleep style?
Best for
- Warm sleepers who prefer lightweight, airy fabrics
- People who sleep in warm climates or heated bedrooms
Not ideal for
- Cool sleepers who need a thicker insulating layer – they may feel too chilly in fine jersey
- Anyone who dislikes loose, flowing cuts – the fine jersey set has a relaxed fit that may feel baggy

