Aero Pro 9

Aero Pro 9" Boxers - Black / Red (Pre-order)

Aero Pro 9" Boxers - Black / Red (Pre-order)

Regular price $34.00
Regular price $34.00 Sale price $34.00
Sale New
Tax included. Shipping calculated at checkout.
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Aero Pro 9" Boxers - Black / Red (Pre-order)

Aero Pro 9" Boxers - Black / Red (Pre-order)

Regular price $34.00
Regular price $34.00 Sale price $34.00
Sale New
Tax included. Shipping calculated at checkout.

🚀 Pre-order this new product today — be first in line for our exclusive initial delivery across the US & Canada. Orders ship w.c 1rst Dec 2025.

Colour: Black/Red

Size: Size guide
Fits true to size
Now available at checkout.
Now available at checkout
  • Free shipping over $60
  • Free returns & exchanges
  • Money back guarantee

Product details:

  • COCCOON™

    Eliminates skin on skin friction and chafing providing greater comfort and support.

  • X-FLY™

    Easier, faster access when nature calls.

  • ZEROFOLD 360

    Stays in place however active you are. 4-way stretch construction works with your every movement.

  • DRI-PX2

    ‘No Show’ Dual layer protects against excess drips and moisture.

  • Stay Fresh

    Anti-microbial and eliminates unwanted smells.

  • Breathable

    Breathable mesh panels get rid of moisture and dries fast for maximum comfort.

Product Description

Aero Pro 9" Sports Boxers – Built for Performance, Engineered for Athletes

Push harder. Stay cooler. Feel unbeatable. The Crossfly Aero Pro 9" Boxers are designed to elevate every workout, from HIIT sessions to marathon training. These longer boxers offer higher support and compression without the squeeze.

Crafted from a high-performance Micro Modal AirMesh blend, they deliver exceptional breathability, lightweight softness, and muscle-hugging compression for all-day support.

Fabric: 83% Micro Modal AirMesh / 5% Polyester / 12% Elastane

But what truly sets the Aero Pro apart is Crossfly’s patented innovation:

  • Coccoon Pouch™ – providing structured support, eliminates chafing by removing skin on skin contact.
  • X-Fly™ Fast Access – for quick, convenient relief when nature calls
  • Premium ZeroFold360 Waistband – soft yet secure, built to stay put through every movement

Performance You Can Feel:

  • MicroModal AirMesh keeps you cool even during tough workouts
  • Naturally Moisture-wicking MicroModal keeps comfortable and dry
  • High compression fit delivers support without restriction
  • Sustainably sourced fibres, part of Crossfly’s eco-conscious mission
  • Available in both 7" and 9" lengths

No distractions. No discomfort. Just pure performance.

Aero Pro – because every athlete deserves an unfair advantage.

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Money-Back Guarantee

Love them or your money back!

Trying Crossfly for the first time? Your first pair is completely risk-free.

If the fit isn’t right, just email our team and we’ll help you exchange for the right size.

Still not for you? We’ll give you a full refund.


Wasn’t sure about ordering online but honestly these are the most comfortable underwear I’ve owned. Great fit and super soft material.

– Ben IKON 6" Boxers

Size Guide - Underwear

Runs Small True to Size Runs Large
The measurements in the size chart are body measurements.
Money-back guarantee: Always free exchange or full refund on your first pair.
SIZE WAIST (in) WAIST (cm)
XS26-2966-73
Small29-3273-81
Medium32-3581-89
Large35-3989-99
XL39-4399-109
XXL43-45109-114