How to Choose a Men's Long Sleeve T-Shirt for Layering

Quick answer

For layering, choose a men's long sleeve t-shirt with a slim but not tight fit, breathable fabric, and a weight that matches your outer layer. Midweight cotton blends work for most seasons, while merino blends add warmth and odor control for colder days.

Step-by-step guide to choosing your layering t-shirt

1. Step 1: Match weight to your climate and activity: For indoor or mild-weather layering, a midweight t-shirt (around 220 gsm) offers breathability without overheating. For outdoor winter wear or low-activity days, a merino blend provides extra warmth and moisture management. Check the fabric weight in grams per square meter (gsm) — lower numbers are lighter, higher numbers are warmer.
2. Step 2: Check the fit for layering: Try the t-shirt with a thin base or under a jacket. The sleeves should reach your wrist without bunching, and the body should be long enough to stay tucked if needed. A regular fit with reinforced seams holds its shape better through movement. Avoid oversized fits that add wrinkles under outer layers; avoid overly tight fits that restrict motion.
3. Step 3: Choose fabric based on your layering order: If the t-shirt is your outermost layer, a cotton or Tencel™ blend gives a clean, soft look. If it's a mid-layer under a shell or flannel, merino wool's anti-odor and thermal properties make it a smarter choice for longer wear. Merino blend shirts can be worn multiple days between washes — great for travel or extended outdoor use.

Product facts

• 2 × Merino Blend Long Sleeve T-Shirt: Made from a premium blend of Merino Wool and Tencel™ lyocell, offering thermal regulation and anti-odor benefits. This makes it ideal for all-day wear under a jacket, especially during travel or active commutes where odor control and temperature balance are priorities.

  

• 2 × Midweight Long Sleeve T-Shirt: 220 gsm midweight fabric made of Tencel™ lyocell and pima cotton, providing silk-like softness and breathability. The midweight construction works well as a standalone piece or as a mid-layer in mild to cool weather without adding excessive bulk.