The Foundation of Sharp Style: Mastering the T-Shirt
Written by Brandi Hearn
Sweaters and sweatshirts are some of the most useful pieces in a man's wardrobe.
They're easy to overlook because they're relatively simple. But the right knit or sweatshirt can add texture, structure, and another level of polish without making an outfit feel overly dressed.
A fine-gauge sweater can take you from the office to dinner. A clean crewneck sweatshirt can make jeans and sneakers look considerably more intentional. A cardigan can give a simple outfit dimension without requiring a jacket.
The key is choosing the right fit, fabric, weight, and level of formality for the rest of your wardrobe.
Start With Fit
Sweaters are forgiving, which is exactly why men often wear them too large.
The shoulder should sit naturally, the body should follow your frame without clinging, and the sleeves shouldn't pool around your wrists.
You also need to consider what you're wearing underneath.
A sweater worn over a T-shirt can fit closer to the body. If you're layering it over a collared shirt, you'll need enough room for the shirt underneath without creating pulling or bunching.
This is where understanding how men's clothes should fit becomes particularly useful.
You want enough room to layer comfortably, but not so much fabric that you lose your shape underneath it.
Crewneck Sweaters: The Most Versatile Place to Start
If I were building a man's knitwear collection from scratch, I'd usually start with a crewneck.
It's simple, versatile, and can move between casual and more polished settings depending on the fabric and how you style it.
A fine-gauge merino crewneck can work with:
A T-shirt and trousers
Chinos and loafers
Dark denim and clean sneakers
A casual jacket or coat
In some settings, a collared shirt underneath
For a cleaner, more contemporary look, I often prefer a simple T-shirt underneath when the sweater is being worn casually.
Start with versatile colors such as navy, charcoal, grey, olive, camel, or another neutral that works with your coloring and wardrobe.
If you're unsure which colors belong in your foundation, I explain how I approach this in my guide to choosing the right neutrals for your wardrobe.
V-Neck Sweaters: More Traditional, but Still Useful
V-necks can work particularly well when you want to show the collar of a dress shirt underneath.
The important thing is choosing a neckline that doesn't plunge too deeply.
A restrained V-neck over a collared shirt can look polished with tailored trousers or underneath a jacket.
Wearing a deep V-neck over a visible T-shirt—or directly against bare skin—tends to feel more dated.
If you wear one, keep the neckline clean and let the collared shirt underneath give it structure.
Cardigans: Pay Attention to Weight
Not all cardigans serve the same purpose.
A lightweight cardigan can function as a mid-layer with trousers, chinos, or denim.
A heavier shawl-collar cardigan behaves more like outerwear.
That's an important distinction.
Trying to force a substantial cardigan underneath a fitted jacket creates unnecessary bulk and usually disrupts the proportions of both pieces.
Instead, let heavier cardigans be the outer layer.
This follows the same principle I use when layering clothing without adding unnecessary bulk: fabric weight should increase as you move outward.
Sweatshirts Can Look Polished Too
A sweatshirt doesn't automatically mean gym clothes.
A clean, well-fitting sweatshirt in a quality fabric can be one of the easiest pieces to incorporate into a casual wardrobe.
The difference is in the details.
Look for:
A clean neckline
Substantial fabric that holds its shape
Minimal or no branding
Sleeves that finish properly at the wrist
A body that follows your frame without clinging
Ribbing that hasn't stretched out
Pair one with dark denim or chinos, clean sneakers, and a casual jacket, and you have an outfit that's comfortable without looking careless.
Casual and sloppy aren't the same thing.
Hoodies Need the Same Consideration
A hoodie can absolutely have a place in a polished casual wardrobe.
But treat it like clothing, not something you automatically throw on because it's comfortable.
A refined hoodie in cotton, merino, or another quality fabric can work with dark denim, chinos, an overshirt, or certain casual jackets.
Avoid excessive bulk, oversized graphics, worn-out drawstrings, and shiny performance fabrics unless you're actually dressing for exercise.
If the hoodie is part of an outfit rather than simply something you're wearing around the house, it should look intentional.
Pay Attention to Fabric
Fabric changes the character of a sweater considerably.
Merino wool is lightweight, refined, and particularly versatile for professional and smart-casual wardrobes.
Cashmere adds softness and refinement but requires more careful maintenance.
Cotton is breathable and works well for transitional weather and more casual dressing.
Chunkier wool creates more texture and works particularly well as an outer or substantial mid-layer.
The right choice depends on climate, lifestyle, and how you plan to wear the piece.
And don't ignore condition. Pilling, stretched cuffs, thinning fabric, and misshapen necklines can make an otherwise good outfit look tired.
Knowing when it's time to remove worn pieces from your wardrobe is just as important as knowing what to buy next.
Build a Small Rotation That Actually Works
You don't need ten sweaters in slightly different shades.
For many men, a strong starting rotation might include:
Fine-gauge crewneck: Your most versatile option
Second crewneck or knit: Another neutral or complementary color
Cardigan: For additional layering and texture
Refined sweatshirt: For casual days
Minimal hoodie: If it genuinely fits your lifestyle
The exact combination should depend on how you dress.
Someone working in a traditional professional environment may get considerably more use from merino knitwear. Someone with a more relaxed schedule may benefit from elevated sweatshirts, polos, overshirts, and casual knits.
That's why I don't believe in building wardrobes from generic "must-have" lists.
The pieces should reflect your actual life.
Common Sweater and Sweatshirt Mistakes
A few things can quickly make knitwear look less polished:
Buying oversized sweaters to hide your midsection. Excess fabric often creates more volume rather than less.
Ignoring pilling or stretched fabric. Knitwear needs maintenance and eventually needs replacing.
Layering too many heavy pieces. Build from lighter fabrics on the inside to heavier pieces on the outside.
Choosing loud graphics by default. A minimal sweatshirt will generally give you far more versatility.
Treating athletic clothing as everyday clothing. Performance fabrics have a purpose, but they don't automatically translate into a polished casual wardrobe.
Buying pieces without considering the rest of your closet. A great sweater isn't particularly useful if it doesn't work with your trousers, jackets, or shoes.
Final Thought
Sweaters and sweatshirts shouldn't be filler pieces in your wardrobe
Chosen well, they're some of the easiest ways to create more outfits from what you already own.
A crewneck changes the way a pair of trousers feels. A cardigan gives a simple shirt and denim more dimension. A refined sweatshirt makes casual dressing feel considered without making it complicated.
That's the thinking behind building a wardrobe as a complete system. Each piece should give the rest of your wardrobe more possibilities.
For men who want those decisions made around their individual lifestyle, proportions, professional needs, and existing clothing, my Private Wardrobe Advisory takes that same approach across the entire wardrobe.
The best layers don't make an outfit feel more complicated. They make a simple outfit feel complete.
BRANDI HEARN
Strategic Wardrobe Advisor · Los Angeles
Brandi Hearn is a Strategic Wardrobe Advisor with more than a decade of experience helping accomplished men build intentional wardrobes around their careers, lifestyles, and how they want to show up.