Summer Christmas is a whole different mood when you’re swapping snow for palm trees and carols for crashing waves. If you’re heading to Koh Samui, you don’t want heavy fabrics, complicated outfits or anything that clings. You want ease – the kind of look that says, “Yes, I might be late for the beach club because I was busy doing absolutely nothing.”

Enter loose linen trousers, Birkenstocks, and that slightly outrageous colourful shirt with holes – the “Sekson from White Lotus Season Three” energy. Relaxed, a bit eccentric, and very “I live here now”.

Here’s how to build that look from head to toe for a summer Christmas break in Samui.

Contents show

1. Why Linen Is Your Best Friend in Koh Samui

Koh Samui at Christmas is hot, humid and sticky. Gorgeous, but sticky. Linen is your survival fabric:

  • Breathable: The weave lets air move through, so you’re not stewing in your own sweat.
  • Quick-drying: Beach to bar, sudden tropical shower, a bit of sea spray – linen handles it all.
  • Effortlessly crumpled: The wrinkles are part of the charm. It’s supposed to look lived-in, not pressed and perfect.

For this trip, think of linen as your neutral base. The shirt can be loud, colourful and full of holes; the linen trousers quietly keep the whole thing grounded and chic.

Colours to pack:

  • White or off-white linen trousers – perfect with any wild shirt.
  • Soft stone, sand or light grey – hides a bit of dirt, still looks beach-resort.
  • Olive or light khaki – great if you want something more masculine or earthy.

2. The Linen Trousers: Loose, Long, and Lazy

Your trousers set the tone. You’re not going for skinny or tailored office cuts. You’re going for:

  • Loose, straight or slightly wide leg – airflow is everything.
  • Mid-rise or drawstring waist – comfortable after too many Christmas buffets and mango sticky rice.
  • Ankle-grazing length – long enough to look elegant, short enough not to drag in the sand.

How they should fit:

  • Around the waist: comfortable, not squeezing. A drawstring or elastic is perfect for holiday mode.
  • Over the hips: skim, don’t cling. Linen that’s too tight looks cheap and feels hotter.
  • On the leg: think “soft column,” not “pipe.” When you walk, they should move and flutter a bit.

Day looks:

  • White linen trousers + simple tank or tee + Birkenstocks.
  • Roll up the hems when you hit the beach. Unroll for lunch at Fisherman’s Village.

Evening looks:

  • Stone or olive linen trousers + the colourful “holey” shirt + leather or suede-look Birkenstocks.
  • Add a thin leather bracelet or a simple chain. Clean, not overdone.

3. The “Shirt with Holes” – Bold, Breezy, a Bit Naughty

Now for the fun part: the loose colourful shirt with holes. This is where the White Lotus Season Three / Sekson vibe comes in – a bit eccentric, a bit louche, and definitely not standard tourist gear.

When we say “holes,” think:

  • Eyelet-style cut-outs
  • Crochet panels
  • Laser-cut patterns
  • Open-weave fabrics that show a hint of skin or vest underneath

You want it to feel intentional, not like you’ve been attacked by moths.

How to pick the perfect holy shirt:

  1. Fabric:
    • Light cotton, linen-blend or open-weave. Anything heavy will feel suffocating.
    • The holes themselves act like built-in air conditioning – perfect for Samui heat.
  2. Fit:
    • Oversized or relaxed. Think one size up from your normal.
    • A dropped shoulder and loose sleeve feel more “resort” and less “office”.
  3. Colour and print:
    • Bold tropical prints – think deep green, aqua, burnt orange, fuchsia.
    • Tie-dye or watercolor effect – gives that spiritual, bohemian holiday feel.
    • Solid bright with texture – if you’re not into prints, let the colour and the holes do the talking.
  4. How much skin to show:
    • If you’re confident, wear it open with a bare chest or just a few buttons done.
    • If you want subtlety, wear a thin white or nude tank top underneath – the holes still show texture, just less body.

4. Channelling the “Sekson from White Lotus S3” Energy

The Sekson vibe is not about perfection – it’s about attitude.

Think:

  • Man who throws on clothes that just happen to look incredibly cool.
  • Slightly dishevelled, like he got dressed after an afternoon nap by the pool.
  • Expensive taste, but doesn’t look like he’s trying to impress anyone.

To get that feel:

  • Leave the shirt partly unbuttoned – give the breeze somewhere to go.
  • Push up the sleeves messily; don’t roll them too perfectly.
  • Let the linen trousers sit low and relaxed, not yanked up with a stiff belt.
  • Choose Birkenstocks that look lived in, not box-fresh pristine.

The overall mood is: “I could be checking emails, but I’ve decided not to.”

5. Birkenstocks: The Only Sandals You Really Need

Linen + Birkenstocks is a match made in resort heaven.

Why Birkenstocks work:

  • Comfort: Perfect for wandering around Chaweng, hopping on a scooter or climbing up to a viewpoint.
  • Style: Somehow they look both bohemian and expensive – ideal for that White Lotus mood.
  • Versatility: They work with linen trousers, shorts, even swim shorts.

Which styles to pack:

  • Arizona – the classic two-strap, perfect with linen trousers.
  • Kyoto or Zurich style – a little more streetwear, still relaxed.
  • Colours:
    • Brown, tan or dark olive for a grounded, earthy look.
    • Black if you want to toughen up the colourful shirt.

Avoid anything too sporty or neon – you’re going for grown-up resort, not beach rave.

6. Summer Christmas Styling: Day vs Night in Samui

Christmas Day by the beach:

  • White linen trousers
  • Light, holey shirt in aqua, coral or sunshine yellow
  • Birkenstocks
  • Woven straw hat and sunglasses

You can go from beachfront breakfast to pool, to a casual Christmas lunch without changing a thing.

Tropical Christmas dinner:

  • Stone or olive linen trousers
  • Darker, richer shirt – maybe deep green with cut-outs or subtle pattern
  • Leather belt (thin, not bulky)
  • Birkenstocks or simple loafers if you want to dress it up a fraction

Skip the heavy blazer; if you’re layering at all, a super-light linen or cotton overshirt is enough.

7. Small Details That Make the Look

To really nail that White Lotus / Sekson energy, it’s the details that count:

  • Jewellery:
    • One or two pieces only. A thin chain, a leather bracelet, or a simple ring.
    • Think “accidental” style, not fully stacked influencer.
  • Grooming:
    • Slightly messy hair works – salt water actually helps.
    • Trim beard or stubble, don’t let it slide into full castaway.
  • Fragrance:
    • Something with citrus, vetiver, sea salt or light woods.
    • Heavy oud and winter spices don’t make sense in 30-degree heat.
  • Bag:
    • A simple canvas or linen tote, or a small crossbody.
    • No big city backpacks unless you’re travelling between islands.

8. Packing List: The Sekson-in-Samui Capsule

For a week over a summer Christmas in Koh Samui, you realistically only need:

  • 2–3 pairs of linen trousers (white, stone, olive)
  • 1 simple white or beige tank
  • 2 “normal” shirts (plain linen or cotton, for when you don’t feel like holes)
  • 2 colourful shirts with holes / open weave – your statement pieces
  • 1–2 pairs of Birkenstocks
  • Underwear and swim shorts, obviously
  • Straw hat, sunglasses, one piece of simple jewellery

Everything mixes and matches. You could live in this capsule for weeks.

9. The Mood: A Christmas Gift to Yourself

Ultimately, this look isn’t just about clothes. It’s about giving yourself permission to:

  • Wear something a bit bolder than you would at home.
  • Feel the breeze on your skin through those shirt holes.
  • Be comfortable while still looking like you’re starring in your own White Lotus story line.

A linen trouser, a colourful shirt full of artful gaps, and a pair of Birkenstocks is basically your official uniform for a tropical, slightly hedonistic, wonderfully lazy Christmas in Koh Samui.

You’re not just packing outfits. You’re packing a whole new holiday persona.