Quick answer
The 330 gsm Heavyweight T‑Shirt is the warmer option due to its denser fabric, but the 220 gsm Midweight T‑Shirt offers a better balance of warmth and breathability for active days or layering.
Fabric weight and warmth
The primary difference between these two tees is fabric weight: the Heavyweight is 330 gsm (grams per square meter) while the Midweight is 220 gsm. A higher gsm generally means a thicker, denser fabric that traps more body heat, making the Heavyweight the clear winner for pure warmth. However, that extra density also reduces airflow, so you may feel less comfortable during physical activity or in milder weather.
Both tees are made from a blend of lyocell (Tencel™ lyocell in the Midweight) and pima cotton. Lyocell provides silk-like softness and breathability, while pima cotton adds texture and natural drape. The Heavyweight's higher cotton content (implied by its heavier weight) gives it a more substantial feel, but the Midweight's lighter construction allows more air circulation, helping regulate temperature when you're on the move.
Layering considerations
If you plan to wear the tee as a base layer under a jacket or sweater, the Midweight's slimmer profile (220 gsm) layers more easily without adding bulk. The Heavyweight (330 gsm) is thick enough to serve as a standalone top in cool weather, but it can feel too heavy under multiple layers. For extreme cold, the Heavyweight worn alone may be enough; for variable conditions, the Midweight gives you more flexibility.
Both tees feature a regular fit and crew neck, so sizing is consistent. The Heavyweight's extra fabric weight means it hangs with a more structured drape, while the Midweight follows your body lines more closely. Keep this in mind when choosing a size for layering: you might prefer a slightly larger size in the Heavyweight if you intend to wear it over an undershirt.
Tradeoffs at a glance
- Warmth: Heavyweight wins: 330 gsm traps more heat. Midweight is noticeably cooler but still warm enough for most indoor or moderate outdoor use.
- Breathability: Midweight wins: lighter fabric allows more airflow, reducing sweat buildup during activity. Heavyweight can feel stuffy in warm conditions or during exertion.
- Layering ease: Midweight wins: slim profile layers smoothly under jackets or sweaters. Heavyweight adds bulk and is best as a standalone piece. If you need a tee for layering under a winter coat, choose the Midweight. If you want a standalone winter tee, the Heavyweight is the better pick.
Product facts
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2 x Heavyweight T-Shirt: 330 gsm Heavyweight T‑Shirt made from a unique lyocell and pima cotton blend. The heavier fabric provides superior insulation, making it the warmer choice for cold days.
2 x Heavyweight T-Shirt
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3 × Midweight T-Shirt: 220 gsm Midweight T‑Shirt made from Tencel™ lyocell and pima cotton blend. The lighter weight offers better breathability and easier layering, ideal for active wear or milder weather.
3 × Midweight T-Shirt
Which one fits your needs?
Best for
- Cold‑weather standalone wear – choose the Heavyweight for maximum warmth.
- Layering under a jacket or sweater – choose the Midweight for a slimmer fit and less bulk.
Not for
- High‑intensity workouts or hot climates – both tees are cotton‑blend and retain moisture; consider a performance fabric instead.
