Skip to content

Your Bag

Your bag is empty

There are no products in your bag yet.

Continue shopping

Have an account?

Log in to check out faster.

Loading...

Subtotal

C$0.00 NIO

Taxes and shipping calculated at checkout

KLARNA PAY IN 3

Pay in 4 interest-free payments with Clearpay

equipment
Gloves

Premium Gloves
Pro X2
X Line Gloves
Team
Kids Gloves
View All

Boxing Boots

Adult Boots
Kids Boots
View All

Headgear

Premium Cheek Protector
Premium Bar Headguard
Premium Open Face
X Line Cheek Protector
X Line Bar Headguard
X Line Open Face
View All

Groin Guards

Premium Groin Guards
X Line Groin Guards
View All

MMA

Gloves
Head Guards
Shin Guards
View All

Punchbags

Heavy Punchbags
Punchbag Chains
Double End Balls
Speed Balls
Speed Ball Platform
View All

Other

Performance Tape
Skipping Ropes
Hand Wraps
Sticks & Paddles
Mitts
Luggage
Gift Cards
View All

Need a Hand?

Compare Gloves
Wardley's Top Picks
Kelly's Top Picks
Walker's Training Essentials
Glove Care Guide

Shop gift top picks
Bespoke
Clothing
Mens

T-Shirt & Tops
Shorts
Running Tops & Trousers
Underwear & Socks
Jacket & Joggers
Hoodies & Jumpers
Windbreaker & Gilets
Boxing Boots
View All

Womens

Leggings
Sports Bras
Socks
Boxing Boots
View All

Kids

T-Shirts
Shorts
Jackets & Joggers
Boxing Boots
View All

Trendsetter fits

shop collection
Outlet

Country/region

equipment
- Gloves
  
  Premium Gloves
  Pro X2
  X Line Gloves
  Team
  Kids Gloves
  View All
- Boxing Boots
  
  Adult Boots
  Kids Boots
  View All
- Headgear
  
  Premium Cheek Protector
  Premium Bar Headguard
  Premium Open Face
  X Line Cheek Protector
  X Line Bar Headguard
  X Line Open Face
  View All
- Groin Guards
  
  Premium Groin Guards
  X Line Groin Guards
  View All
- MMA
  
  Gloves
  Head Guards
  Shin Guards
  View All
- Punchbags
  
  Heavy Punchbags
  Punchbag Chains
  Double End Balls
  Speed Balls
  Speed Ball Platform
  View All
- Other
  
  Performance Tape
  Skipping Ropes
  Hand Wraps
  Sticks & Paddles
  Mitts
  Luggage
  Gift Cards
  View All
- Need a Hand?
  
  Compare Gloves
  Wardley's Top Picks
  Kelly's Top Picks
  Walker's Training Essentials
  Glove Care Guide
Bespoke
Clothing
Outlet

Log in Wishlist 0

Twitter
Facebook
Instagram
TikTok

Home Mens Clothing Underwear & Socks

Collection: Underwear & Socks

Filter:

Size

0 selected

Size

XS (3 products)
S (3 products)
M (3 products)
L (3 products)
XL (3 products)
XXL (3 products)
KIDS UK 3-5 (1 product)
MENS UK 5-8 (EU 38-42) (US 6-9) (1 product)
MENS UK 8-11 (EU 42-46) (US 9-12) (1 product)
MENS UK 11-14.5 (EU 46-50) (US 12-15) (1 product)
UK 3-5 (1 product)
UK 5-8 (EU 38-42) (US 6-9) (1 product)
UK 8-11 (EU 42-46) (US 9-12) (1 product)
UK 11-14.5 (EU 46-50) (US 12-15) (1 product)

XS (3 products)
S (3 products)
M (3 products)
L (3 products)
XL (3 products)
XXL (3 products)
KIDS UK 3-5 (1 product)
MENS UK 5-8 (EU 38-42) (US 6-9) (1 product)
MENS UK 8-11 (EU 42-46) (US 9-12) (1 product)
MENS UK 11-14.5 (EU 46-50) (US 12-15) (1 product)
UK 3-5 (1 product)
UK 5-8 (EU 38-42) (US 6-9) (1 product)
UK 8-11 (EU 42-46) (US 9-12) (1 product)
UK 11-14.5 (EU 46-50) (US 12-15) (1 product)

Colour

0 selected

Colour

Black (3 products)
Black/Gold (1 product)
Gold (2 products)
White (4 products)
White/Black (1 product)
White/Gold (1 product)

Black (3 products)
Black/Gold (1 product)
Gold (2 products)
White (4 products)
White/Black (1 product)
White/Gold (1 product)

Product Type

0 selected

Product Type

Socks (4 products)
Underwear (3 products)
Underwear & Socks (7 products)

Socks (4 products)
Underwear (3 products)
Underwear & Socks (7 products)

Sort by:

7 products

Filter & Sort Filter

7 products found

Filter & Sort

Filter

Size

XS (3 products)
S (3 products)
M (3 products)
L (3 products)
XL (3 products)
XXL (3 products)
KIDS UK 3-5 (1 products)
MENS UK 5-8 (EU 38-42) (US 6-9) (1 products)
MENS UK 8-11 (EU 42-46) (US 9-12) (1 products)
MENS UK 11-14.5 (EU 46-50) (US 12-15) (1 products)
UK 3-5 (1 products)
UK 5-8 (EU 38-42) (US 6-9) (1 products)
UK 8-11 (EU 42-46) (US 9-12) (1 products)
UK 11-14.5 (EU 46-50) (US 12-15) (1 products)

Clear

Colour

Black (3 products)
Black/Gold (1 products)
Gold (2 products)
White (4 products)
White/Black (1 products)
White/Gold (1 products)

Clear

Product Type

Socks (4 products)
Underwear (3 products)
Underwear & Socks (7 products)

Clear

Sort by:

Remove all

7 products

Fly Socks

Fly Socks

White
Available In Multiple Colours

Regular price C$658.00 NIO

Sale price C$658.00 NIO Regular price
Unit price per
Fly Socks

Fly Socks

Black
Available In Multiple Colours

Regular price C$658.00 NIO

Sale price C$658.00 NIO Regular price
Unit price per
Icon Boxers

Icon Boxers

Black
Available In Multiple Colours

Regular price C$962.00 NIO

Sale price C$962.00 NIO Regular price
Unit price per
Icon Boxers

Icon Boxers

White
Available In Multiple Colours

Regular price C$962.00 NIO

Sale price C$962.00 NIO Regular price
Unit price per
Icon Boxers

Icon Boxers

White
Available In Multiple Colours

Regular price C$962.00 NIO

Sale price C$962.00 NIO Regular price
Unit price per
Fly Kids Socks

Fly Kids Socks

White
Available In Multiple Colours

Regular price C$560.00 NIO

Sale price C$560.00 NIO Regular price
Unit price per
Fly Kids Socks

Fly Kids Socks

Black
Available In Multiple Colours

Regular price C$560.00 NIO

Sale price C$560.00 NIO Regular price
Unit price per

FREE DELIVERY ON ORDERS + £150

Email address *

CONTACT US

Email us

CONTACT US

Email us

HELP

FAQ
Made In Britain
Glove Size Guide
Headguard Size Guide
Groin Guard Size Guide
MMA Size Guide
Men's Clothing Size Guide
Women's Clothing Size Guide
Track My Order
Delivery Information
Returns Policy
Klarna
Clearpay
Terms & Conditions
Privacy Policy
Contact Us

HELP

FAQ
Made In Britain
Glove Size Guide
Headguard Size Guide
Groin Guard Size Guide
MMA Size Guide
Men's Clothing Size Guide
Women's Clothing Size Guide
Track My Order
Delivery Information
Returns Policy
Klarna
Clearpay
Terms & Conditions
Privacy Policy
Contact Us

DISCOVER

About Us
Careers
Address Details

DISCOVER

About Us
Careers
Address Details

MY ACCOUNT

Login
Register

MY ACCOUNT

Login
Register

Country/region

Country/region

Twitter
Instagram
TikTok
Facebook

Payment methods

© 2026, Fly | All Rights Reserved. Yes I Can.