Skip to content

Your cart is empty

Continue shopping

Have an account?

Log in to check out faster.

Your cart

Loading...

Subtotal

£0.00 GBP

Taxes included. Discounts and shipping calculated at checkout.

Search

Popular collections

Spring Forward Lookbook

Spring Forward Lookbook

Spring Forward Lookbook

Knitwear

Knitwear

Knitwear

Coats

Coats

Coats

Relaxed Tailoring

Relaxed Tailoring

Relaxed Tailoring

Trending topics

Autumn winter 2024 Boxers Knitwear Tailoring Waistcoats

Shop
Collections
Latest Arrivals
The Nehru Collection
Formalwear
Linen Suits
Best Sellers

Clothing
Shirts
Polo Shirts
Relaxed Tailoring
Nehru Jackets & Waistcoats
Jackets & Outerwear
Blazers
T-Shirts
Knitwear
Trousers
Shorts
Nightwear
Double Breasted Waistcoats
Swim Shorts
View All

Accessories
Boxer Shorts
Socks
Hats
Belts
Ties & Pocket Squares
Scarves & Bandanas
Gift Boxes
Homewear
Gift Cards
View All
Suits
Shop Now

Shop Now

Formalwear
Shop Now

Shop Now
Brand
About Us
Our Story
Our Philosophy
Fabrics

Our Stores
Marylebone
Piccadilly
Chelsea
Islington
Notting Hill

Editorial
Latest Lookbook
Archive
Archive
See what inspires us

Shop Now

Catalogue
Sign up here

Shop Now
Journal
Recent Stories

Impressions of Spring Lookbook
Robin and Yoshi Dale-Thomas on craftmanship, creativity and connections.
The Spring Forward Lookbook
Whispers of Wales - Winter Lookbook
A Day at Hampstead Heath
Read more stories

Latest Post
Impressions of Spring Lookbook

Read entry

Read entry

Shop Brand Journal

Collections
Clothing
Accessories

About Us
Our Stores
Editorial
- Latest Lookbook
- Archive

Recent Stories

Impressions of Spring Lookbook
Robin and Yoshi Dale-Thomas on craftmanship, creativity and connections.
The Spring Forward Lookbook
Whispers of Wales - Winter Lookbook
A Day at Hampstead Heath

Read more stories

Boxers & Socks

Filter and sort Filter

Filter and sort

Filter

Availability

In stock (53 products)
Out of stock (37 products)

Category

Boxers & Socks (60 products)
Gift Boxes (9 products)

Type

Boxer Shorts (31 products)
Gift Box (9 products)
Socks (22 products)

Colour

Black (1 products)
Blue (9 products)
Green (5 products)
Grey (1 products)
Multi (5 products)
Navy (2 products)
Orange (1 products)
Purple (1 products)
Red (3 products)

Size

S (38 products)
M (38 products)
L (38 products)
XL (38 products)
XXL (25 products)
7-9 (5 products)
7-11 (8 products)
8-10 (2 products)
9-12 (2 products)
11-13 (2 products)
6-12 UK (4 products)
7-9 UK (3 products)
7-11 UK (1 products)
9-12 UK (3 products)
One Size (1 products)

Material

Cotton (40 products)
Wool (4 products)

Sort

Layout

Sort

The cornerstone of good dressing is good underwear. From weekend lounging to everyday heroes, SIRPLUS essentials in cotton, wool, silk and cashmere.

Cream Organic Cotton Sport Socks

Buy as a Bundle
Cream Organic Cotton Sport Socks

Cream Organic Cotton Sport Socks

Regular price £15

Regular price Sale price £15
Unit price per

Buy as a Bundle
Archaeology Boxer Short Gift Box - Made with Liberty Fabric

Archaeology Boxer Short Gift Box - Made with Liberty Fabric

Archaeology Boxer Short Gift Box - Made with Liberty Fabric

Regular price £90

Regular price Sale price £90
Unit price per

M

L

XL
Navy Cashmere Socks

Buy as a Bundle
Navy Cashmere Socks

Navy Cashmere Socks

Regular price £75

Regular price Sale price £75
Unit price per

11-13

Buy as a Bundle
Green Cashmere Socks

Buy as a Bundle
Green Cashmere Socks

Green Cashmere Socks

Regular price £75

Regular price Sale price £75
Unit price per

11-13

Buy as a Bundle
Peace Park Boxer Short Gift Box - Made with Liberty Fabric

Peace Park Boxer Short Gift Box - Made with Liberty Fabric

Peace Park Boxer Short Gift Box - Made with Liberty Fabric

Regular price £90

Regular price Sale price £90
Unit price per

S

M

L
Amanda's Opera Blue Boxer Shorts - Made with Liberty Fabric

Buy as a Bundle
Amanda's Opera Blue Boxer Shorts - Made with Liberty Fabric

Amanda's Opera Blue Boxer Shorts - Made with Liberty Fabric

Regular price £50

Regular price Sale price £50
Unit price per

M

L

XL

Buy as a Bundle
$Refraction Boxer Shorts - Made with Liberty Fabric, Boxer Shorts - SIRPLUS$

Refraction Red Boxer Shorts - Made with Liberty Fabric

Buy as a Bundle
Refraction Red Boxer Shorts - Made with Liberty Fabric

Refraction Red Boxer Shorts - Made with Liberty Fabric

Regular price £50

Regular price Sale price £50
Unit price per

M

L

Buy as a Bundle
Blue Patchwork Boxer Shorts - Made with Liberty Fabric

Buy as a Bundle
Blue Patchwork Boxer Shorts - Made with Liberty Fabric

Blue Patchwork Boxer Shorts - Made with Liberty Fabric

Regular price £50

Regular price Sale price £50
Unit price per

M

L

Buy as a Bundle
Bauhaus Blue Boxer Shorts - Made with Liberty Fabric

Buy as a Bundle
Bauhaus Blue Boxer Shorts - Made with Liberty Fabric

Bauhaus Blue Boxer Shorts - Made with Liberty Fabric

Regular price £50

Regular price Sale price £50
Unit price per

M

L

XL

Buy as a Bundle
Bauhaus Red Boxer Shorts - Made with Liberty Fabric

Buy as a Bundle
Bauhaus Red Boxer Shorts - Made with Liberty Fabric

Bauhaus Red Boxer Shorts - Made with Liberty Fabric

Regular price £50

Regular price Sale price £50
Unit price per

M

L

XL

Buy as a Bundle
Cotton Boxer Briefs Gift Box

Cotton Boxer Briefs Gift Box

Cotton Boxer Briefs Gift Box

Regular price £50

Regular price Sale price £50
Unit price per

M

L

XXL
Forest Green Cotton Dress Socks

Buy as a Bundle
Forest Green Cotton Dress Socks

Forest Green Cotton Dress Socks

Regular price £12

Regular price Sale price £12
Unit price per

Buy as a Bundle
Burgundy Dress Socks

Buy as a Bundle
Burgundy Dress Socks

Burgundy Dress Socks

Regular price £12

Regular price Sale price £12
Unit price per

Buy as a Bundle
Mustard Organic Cotton Sport Socks

Buy as a Bundle
Mustard Organic Cotton Sport Socks

Mustard Organic Cotton Sport Socks

Regular price £15

Regular price Sale price £15
Unit price per

Buy as a Bundle
Navy Cotton Dress Socks

Buy as a Bundle
Navy Cotton Dress Socks

Navy Cotton Dress Socks

Regular price £12

Regular price Sale price £12
Unit price per

Buy as a Bundle
Green & Oatmeal Wool Cashmere Blend Socks

Buy as a Bundle
Green & Oatmeal Wool Cashmere Blend Socks

Green & Oatmeal Wool Cashmere Blend Socks

Regular price £18

Regular price Sale price £18
Unit price per

Buy as a Bundle
Navy & Grey Wool Cashmere Blend Socks

Buy as a Bundle
Navy & Grey Wool Cashmere Blend Socks

Navy & Grey Wool Cashmere Blend Socks

Regular price £18

Regular price Sale price £18
Unit price per

Buy as a Bundle
Burgundy & Oatmeal Wool Cashmere Blend Socks

Buy as a Bundle
Burgundy & Oatmeal Wool Cashmere Blend Socks

Burgundy & Oatmeal Wool Cashmere Blend Socks

Regular price £18

Regular price Sale price £18
Unit price per

Buy as a Bundle
Blue Stripes Cotton Boxer Shorts Gift Box

Blue Stripes Cotton Boxer Shorts Gift Box

Blue Stripes Cotton Boxer Shorts Gift Box

Regular price £50

Regular price Sale price £50
Unit price per
Blue & Lilac Cotton Boxer Shorts Gift Box

Blue & Lilac Cotton Boxer Shorts Gift Box

Blue & Lilac Cotton Boxer Shorts Gift Box

Regular price £50

Regular price Sale price £50
Unit price per

XXL
Chevron Boxer Short Gift Box - Made with Liberty Fabric

Chevron Boxer Short Gift Box - Made with Liberty Fabric

Chevron Boxer Short Gift Box - Made with Liberty Fabric

Regular price £90

Regular price Sale price £90
Unit price per

M

L

XL
Hawaiian Paisley Boxer Short Gift Box - Made with Liberty Fabric

Hawaiian Paisley Boxer Short Gift Box - Made with Liberty Fabric

Hawaiian Paisley Boxer Short Gift Box - Made with Liberty Fabric

Regular price £90

Regular price Sale price £90
Unit price per

M

L
Wool Cashmere Socks Gift Box

Wool Cashmere Socks Gift Box

Wool Cashmere Socks Gift Box

Regular price £50

Regular price Sale price £50
Unit price per
Dove Grey Stripe Cotton Boxer Shorts

Pre-Order
Dove Grey Stripe Cotton Boxer Shorts

Dove Grey Stripe Cotton Boxer Shorts

Regular price £30

Regular price Sale price £30
Unit price per

S

M

L

XL

XXL

Pre-Order

62 products

Load More

Back To Top

Help & Info
Returns & Exchanges
Klarna Info
Contact

Customer Care

Help & Info
Returns & Exchanges
Klarna Info
Contact

About Us
Stores
Careers
Catalogue

Brand

About Us
Stores
Careers
Catalogue

Instagram
Facebook
YouTube
Pinterest
TikTok

Follow Us

Instagram
Facebook
YouTube
Pinterest
TikTok

Sign up for new arrivals, limited editions, and style stories. Enjoy 10% off your first order.

© 2025 SIRPLUS

Search

Germany EUR €
Spain EUR €
United Kingdom GBP £
United States USD $

Terms
Privacy Policy
Contact

Made by

Choosing a selection results in a full page refresh.
Opens in a new window.