Mariusz Książkiewicz | Classic Fit Crew NeckGrab a tee and support Mariusz Ksikiewicz, Canada's #1 ranked Professional Men's Light Heavyweight! A true warrior, Mariusz survived a life threatening stabbing while taking out his trash in Winnipeg, overpowering his attacker and driving himself to the hospital with a knife wound millimeters from his heart and lungs. Now back in training, show your pride for this resilient MMA fighter with exclusive Fan Wear Co. merch.

FOR 14 DAYS ONLY We are donating all profits on the sale of these tees to a lucky purchaser

Don't miss out on this piece of merch for Iron Octopus School of Physical Culture

This win showcased his technical striking and power

but the charity’s clinic in Lamagaun delivers free medical care

including a standout victory over UFC Welterweight Champion Jack Della Maddalena early in their careers and a wrestling match win over UFC star Robert Whittaker

this tee is built for those who want to amplify Vendy’s legacy both in and out of the cage

Show your support for Erin Carter

*all tees shipped out 1-2 weeks from pre-order end date

a dynamic MMA fighter hailing from Victoria

known for his resilience and commitment to the sport

Size guide

Available in a wide range of colours to suit varied preferences