Mr. Sid Spring/Summer 2026 Magazine

Spring/Summer Lookbook 2026

This Season at Mr. Sid

After a long winter, spring has arrived—and at Mr. Sid and Sidney, we have you covered from head to toe.

This season brings one of our most exciting Spring/ Summer collections in recent memory. From beachwear to formalwear, the assortment is designed for every occasion, with a palette that moves from vibrant color to soft, gelato-inspired neutrals. Step inside and you’ll feel ready for everything the season has in store.

Our collections from Italy continue to impress with innovative lightweight fabrics that feel as comfortable as they are sophisticated. Rich texture, thoughtful details, and exceptional craftsmanship define this season’s knitwear, wovens, and tailored clothing. We’ve also welcomed new designers to our shoe salon, with a focus on refined casual style and effortless versatility.

Our buying team works year-round to challenge our partners to bring us something fresh, distinctive, and truly special. The result is a collection that feels cohesive, modern, and uniquely Mr. Sid. We’re proud to share it with you in our beautiful store.

There’s also plenty to look forward to this season beyond the clothing. Our calendar is filled with trunk shows and special events, including one of our most anticipated traditions: the Mercato. We’re also excited to introduce a new collaboration with jewelry designer Rachel Brenman, who will be joining us in the Leopard Lounge to showcase her latest collection and help clients find the perfect piece.

So sit back, relax, and enjoy a look at Spring/Summer 2026 at Mr. Sid and Sidney. We look forward to seeing you this season.

Stuart and Barry Segel

The A-Z List

Men

AG

Alden

Alessandro Gherardi

Andersons Belts

Borriello Shirts

Brioni

Bugatchi

Canali

Carrot and Gibbs

Castangia

Cesare Attolini

CLOSED

Creed

Derek Rose

Di Bianco

Edward Green

Eton

Farnese Belts

Fedeli

G. Brown

Gran Sasso

Greyson

Hamilton

Hestra Gloves

Isaia

Italo Ferretti

L.B.M.

L.G.R Eyewear

Manto

Marcoliani

Mauro Blasi

Meyer

MooRER

Nasomatto

NN07

Orchard & Broome

Orto Parisi

Pantherella Socks

Paige

Parajumpers

Patrick Assaraf

Pescarolo

Piacenza

PT01

Randolph

RUBIROSA

Santoni

SAXX

Secrid

Sid Royale

Spivey

Tasc

Tateossian

Torino Leathers

Tramarossa

Waterville

Zanella

Zegna

Women

Anderson Belts

Caliban

CÂLLAS

Camicettasnob

Circolo

Crossley

Eleventy Milano

Gentry Portofino

Giangi

Herno

Homers

Ibeliv

Nine in the Morning

Officine Creative

Rubirosa

SAND

Seductive

Shaft

White Sand

WhyCi Milano

Scent of the Season

Fresh, crisp, and effortlessly refined, Silver Mountain Water is inspired by the cool air and rushing streams of the Swiss Alps. Bright notes of bergamot and blackcurrant open into green tea and an airy ozonic accord, finishing with smooth sandalwood and musk. Clean, modern, and light on its feet, it’s an ideal fragrance for spring and summer—fresh enough for warm days, polished enough for evenings out.

Creed Silver Mountain Water

Better Than Flowers

Skip the expected. Bella Dori Jewelry is a thoughtful upgradebeautiful, lasting, and guaranteed to outlive the bouquet. Designed by Rachel Brenman, each piece blends fine craftsmanship with timeless style, featuring gold, diamonds, sterling silver, and precious stones. Elegant enough for a special occasion yet easy enough for everyday wear, it’s the kind of gift that feels personal, elevated, and unforgettable.

Mr. Sid Guide

Boston ’s BihsuStse

XOXO Sushi Bar

1154 Boylston Street, Chestnut Hill

For a sushi night that feels a little more elevated, XOXO Sushi Bar is worth the trip. Known for inventive rolls, fresh sashimi, standout omakase, and creative cocktails, it’s the kind of spot that works just as well for a casual dinner as it does for a night out. Sleek, energetic, and always a good time.

Featured Cocktail

Ingredients

2 cups watermelon, cubed 1 cup strawberries, halved 1/4 cup fresh lime juice

20 fresh mint leaves

6 oz white rum

12 oz club soda or sparkling water

Optional: simple syrup, to taste

Directions

Blend watermelon, strawberries, and lime juice until smooth. Gently muddle mint leaves in a pitcher to release their aroma. Add the fruit puree and rum, then stir well. Pour over ice, top with club soda, and garnish with mint, strawberry, or watermelon slices.

Summer Tip: Swap in coconut rum for a tropical twist.

Now Serving:Style

Spring/Summer 2026 arrives with sharp tailoring, effortless layers, and standout pieces for every occasion. Shot at XOXO Sushi—one of Boston’s go-to spots for elevated dining and nightlife—this feature blends great style with one of the city’s best nights out.

Moussa

Di Bianco

Loafer

Bogliolo

Pant

Patrick Assaraf

Knit Shirt

Maurizio Baldassari

Jacket

MOUSSA & ALEX XOXO SUSHI, SS 2026

Barry

Tramarossa

5 Pocket

Anderson

Braided Belt

MGF Shirt

Manto Outerwear

Megin Spivey Bracelets

Joey

HILTL

Side Tab Chino

Isaia

Cotton Medallion Pattern Shirt

L.B.M. Jacket

Italo Ferretti

Pocket Square

Megin Spivey Bracelets

XOXOBARRY&JOEY

Katie

Rubirosa

Sneaker

Shaft

Denim Flare

CamicettaSnob

Linen Blouse

L.G.R.

Glasses

Stuart Henderson

Loafer

Tramarossa

5 Pocket

Alessandro Gherardi Shirt

Isaia Jacket

Moussa

Rubirosa Sneaker (See p.#)

PT

5 Pocket

Borriello

Striped Shirt

Jacob Cohen Jacket

Joey Rubirosa Sneaker

PT01 Pant Isaia Polo Manto Linen Shirt Jacket

Stuart Barry

Officine Creative Loafer

Pescarolo

Jeans

Finamore White Shirt

Tramarossa 5 Pocket

Anderson

Braided Belt

Alessandro Gherardi Shirt

Megin Spivey Bracelets

Barry

Santoni

Sneaker

Tramarossa

5 Pocket

Bugatchi

Knit

Stuart

Sid Royale Windbreaker AG

Jeans

Maurizio Baldssari

T-Shirt

Herno

Jacket

BARRY & STUART WITH CHEF KEGAN XOXO SUSHI, SS 2026

A new season calls for a fresh perspective. This collection blends refined tailoring, effortless layers, and standout pieces designed for everything from daytime gatherings to evenings out. Inspired by the ease of coastal living and the polish of Palm Beach style, the palette moves through soft neutrals, ocean blues, rich textures, and luxurious fabrics. Shot inside a stunning residence, each look balances comfort, sophistication, and modern elegance.

Her Look

Shaft

Lightweight Denim

Sun Dress

Peplum Jacket in Sage

His Look

His Look

Jacob Cohen

Denim

GMF

Seersucker Cotton

Striped Shirt

Finnamore

Linen

Anderson

Suede Belt

Her Look

Rubirosa

Judy Do White/Yellow

White Sand

Cropped White Cotton Pant

CamicettaSnob

Blue Floral Blouse

WhyCi Milano

Safari Jacket

Anderson Suede Belt

His Look

Officine Creative

Halo Suede Sneaker

Marco Pescarolo

Tropical Wool 5 Pocket

Tropical Wool Zip Front Shirt Jacket

Maurizio Baldassari Active Wool T-Shirt

Herno

Rain Jacket

Her Look

Rubirosa

Judy Do White with Brown Heel

Shaft

Denim Lino Jean

Circolo

Cotton V-Neck T-Shirt

Herno

Lightweight Raincoat

Her Look

Rubirosa Judy Do White Lace Couture Shaft

Denim Lino Jean

Denim Drawstring Cropped Top

His Look

Santoni

Malibu Loafer Brown

Isaia

Delain Selection Soft Touch Wool

Suit with Side Tab Trousers

Cotton Striped Shirt

Rosi

Pocket Square

Her Look

Officine Creative

Oliver Ballet Flat

WhyCi Milano

Linen Wide Leg Pant

Giangi

White Cotton Button Down Shirt

Circolo

Seersucker Cotton Blazer

Her Look

Homers

Black Loafer

White Sand

Textured Floral Skirt

Le Sarte

Pettegole Sheer Blouse

SS 2026

Strength in Style: Honoring our Local Heroes

At Mr. Sid, we’ve always believed that style is a reflection of who you are—not just what you wear. This season, we’re proud to spotlight two individuals who embody strength, courage, and quiet confidence every day.

Olivia and Fran aren’t models—they’re firefighters serving their community in Brookline, Massachusetts. In partnership with Eleventy Milano, we wanted to capture them as they are: strong, grounded, and effortlessly themselves. Shot inside the firehouse across from our store in Newton, this feature is about more than clothing. It’s a tribute to character, service, and the kind of confidence that never needs to announce itself.

Essentials for Him

Nothing updates a wardrobe faster than a new pair of frames. This season’s eyewear brings fresh shapes, lightweight comfort, and just the right amount of personality— an easy way to sharpen everyday looks while adding a polished finishing touch.

Handcrafted in Italy with a focus on comfort and understated luxury, Henderson Baracco shoes bring effortless sophistication to everyday dressing. From refined Venetian loafers to sleek suede sneakers, each pair blends artisanal craftsmanship with modern versatility. Polished enough for tailored looks, relaxed enough for denim, and always an easy choice on the go.

Inspired by the spirit of the Italian coast, Tiki Napoli delivers swim and resortwear with color, character, and effortless style. Perfect for beach clubs, poolside afternoons, and every getaway on the calendar.

A great fragrance is as important as the jacket or shoes that go with it. This season’s selection ranges from fresh and clean to rich and refined, offering something for every style and occasion. Featuring sought-after names like Creed and Acqua di Parma, these scents bring the finishing touch to spring and summer dressing—confident, polished, and memorable long after you leave the room.

Bugatchi’s waffle-knit

Johnny collar shirts combine breathable texture with a refined retro edge. Soft, lightweight, and sharp without trying too hard, they’re made for dinners out, weekend plans, and summer nights.

AG brings its signature modern fit and premium feel to the warm-weather staple. Lightweight, easy to wear, and available in two versatile colors, these drawstring pants strike the balance between comfort and clean style. Paired with lightweight knits from Gran Sasso, the look feels relaxed, refined, and ready for everything from travel days to dinner by the water.

Essentials for Her

Small in size, big on function. Secrid wallets are designed to keep everyday essentials organized with a slim profile, premium leather finishes, and the brand’s signature pop-up card access. The aluminum core helps protect cards from bending and unwanted RFID communication, while the compact design slips easily into any bag or pocket. Smart, stylish, and made for modern life.

Easy polish for everyday dressing. A softly tailored blazer and clean white tee from Circolo pair effortlessly with denim from Nine in the Morning for a look that feels modern, relaxed, and ready for anything on the calendar.

A jacket and striped shirt from Herno pair with linen denim from Nine in the Morning and Rubirosa Judy Do sneakers for a look that feels relaxed, modern, and ready for wherever the day goes.

The right shoes can set the tone for the entire season. From sleek loafers by Officine Creative to fresh, fashionforward sneakers from Rubirosa, this collection blends comfort, craftsmanship, and everyday versatility. Easy enough for daytime, polished enough for evenings out, and designed to move effortlessly through everything on your calendar.

Great denim is the foundation of countless spring looks. These jeans from Shaft bring an easy, flattering fit in fresh seasonal washes, while Rubirosa sneakers add a polished, everyday finish. Clean, versatile, and ready to wear on repeat.

Warm-weather dressing starts with great texture. These knit tops from Eleventy Milano bring effortless polish through soft, breathable yarns and beautifully considered details. Easy to style, elevated to wear, and perfect for everything from sunny afternoons to summer evenings out.

A crisp blazer from Herno layers over a striped shirt by SAND and denim from Nine in the Morning for a look that feels polished, modern, and effortlessly wearable from day to night.

Bella Dori Jewelry

Some gifts are enjoyed for a moment. Others are worn, remembered, and treasured for years. That’s the spirit behind Bella Dori, now featured at Mr. Sid. Designed by Rachel Brenman, the collection blends fine craftsmanship with timeless style through pieces crafted in gold, diamonds, sterling silver, and precious stones.

Inspired by her daughter Bella and shaped by a lifelong creative path in fashion and design, Rachel’s work feels deeply personal while remaining effortlessly elegant. The result is jewelry that makes a statement without ever trying too hard—beautiful for special occasions, meaningful enough for milestones, and easy enough to wear every day.

Visit Mr. Sid’s Leopard Lounge to discover the collection and find a piece to wear, gift, and treasure for years to come.

A HISTORY OF ELEGANCE.