07/22/2026
The invite has landed, the date is in the calendar, and now comes the part almost every man dreads more than the toast. What do you actually wear.
Summer weddings in 2026 are more relaxed than they used to be, but that relaxed feeling only works if you understand the rules first. Get the fundamentals right and the rest, the colour, the texture, the small personal touches, becomes the fun part rather than the stressful one.
Here is everything you need to get dressed with confidence this season.
It is tempting to dress for the heat first and the occasion second. Resist that instinct. The dress code on the invitation still sets the rules, the summer temperature just tells you which fabric to choose within those rules.

A tuxedo, full stop. Black bow tie, a white pleated or piqué shirt, black formal shoes. If you want a summer twist without breaking the code, a midnight blue tuxedo reads just as formal as black under evening light and photographs beautifully at golden hour.

This is the couple telling you they would love a tuxedo but understand not everyone owns one. A dark suit, navy or charcoal, paired with a white shirt and a proper tie will always be the safer choice here. Save the light grey suit for another occasion, black tie optional still means dark.

This is where most summer weddings actually sit. A suit is required, but colour and fabric have real flexibility. This is your opportunity to bring in the season through fabric weight and tone rather than through a total change of formality.

A blazer with tailored trousers, or a lightweight suit worn without a tie, works well here. Loafers without socks are entirely acceptable, and a linen shirt with rolled sleeves feels appropriate rather than underdressed.
A well fitted suit in the wrong fabric will make for a long, uncomfortable afternoon. For anything outdoors or in real summer heat, a linen or cotton linen blend is the better choice over traditional wool. Pure linen breathes beautifully but will crease, so decide early whether that relaxed, lived in look works for the event or whether a linen look blend, which resists creasing while keeping the same breathability, is the safer route.
For indoor or evening receptions, a lightweight tropical wool in seven to eight ounces still gives structure and a sharper finish without the heat of a heavier winter suit.
Navy and charcoal are not going anywhere, and if that is what is already in your wardrobe, it will always work. But 2026 has brought a noticeably warmer, softer palette into the mix.
Sage green has moved from accent to option, worn as a full suit for the more confident dresser or as a tie and pocket square for everyone else. Dusty, faded blue has become a favourite too, softer than a standard navy and more interesting for having been worn a hundred times before. Tan and stone suits continue to own daytime garden and vineyard weddings, and terracotta is showing up in ties, socks, and pocket squares rather than full suits, which is exactly the right amount.
One colour to leave alone entirely is ivory or full cream. That belongs to the groom, and stepping into it as a guest reads as a mistake rather than a style choice.
Fit beats everything. A guest in a perfectly ordinary off the rack suit that has been properly tailored will always look better than someone in an expensive suit that has never seen a tailor. Before the wedding season gets busy, take whatever you already own to be altered properly through the shoulders and the waist. It costs very little and changes everything.
Avoid anything ivory, cream, or fully white, that belongs to the groom. Avoid shorts and jeans unless the invitation explicitly states the dress code is casual, and avoid loud, saturated colours as a full suit rather than an accent.
Yes, for outdoor, garden, beach, and casual dress codes a linen or linen blend suit is not just appropriate but expected. For cocktail attire, a cotton linen blend gives a slightly sharper finish. For semi formal and above, a lightweight tropical wool is the better choice.
It depends on the dress code. Black tie and black tie optional still call for a tie or bow tie. For cocktail and semi formal, a tie is increasingly optional, particularly for daytime events, but bringing one and deciding on arrival is always the safer approach.
Navy remains the most versatile choice for any dress code. For something more of the moment, sage green, dusty blue, and tan are the defining colours of the season, either as a full suit for cocktail and casual dress codes or as accents through tie and pocket square for more formal occasions.
Looking for the finishing touch to a groom's or guest's look this season? Our team in Hatton Garden can help you find or design a bespoke wedding band or signet ring to suit the occasion. [Book a free consultation] to see the collection in person.