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Underdog Tested
'The UDM' Hoodie
Sale price
$65.94
Regular price
$95.00
Sale
Black
Gray
Beige



'The UDM' V-Cut Shorts
Sale price
$44.99
Regular price
$60.00
Sale
Black
Grayish White


'The UDM' Sweatpants
Regular price
$55.99
Black
Oat Gray


'Pitbull' T-Shirt
Regular price
$65.00
Black
White


UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
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More than a brand
A movement forged in strength and discipline
Born in the gym, Underdog Mentality represents more than just clothing or equipment. It’s a lifestyle, a mindset, a brotherhood. Every piece we create — from apparel to fitness gear and supplements — is designed to push you past excuses and into results.
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
UNDERDOG MENTALITY
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UNDERDOG MENTALITY
“The supplements from Underdog Mentality are on another level. Clean, powerful, no BS — just pure fuel for my workouts. Recovery time is faster, and I actually feel the difference in strength and energy.”
— James W, London
“I grabbed a foam roller and resistance bands from Underdog Mentality. Honestly, best decision ever. The quality is tough, military-grade stuff, not cheap plastic. They’ve become a key part of my recovery routine.”
— Daniel S, Toronto
“What I like is that everything connects well together — the clothes, the gear, and the supplements. It’s practical, straightforward, and fits the way I train. Feels reliable, and that’s what matters to me.”
— Leon K, Berlin
“Underdog Mentality isn’t just clothing, it’s a mindset. The gear feels solid, looks sharp, and actually pushes me to train harder. Every time I wear it, I feel that discipline-first attitude.”
— Ahmed R, Dubai
“The clothes are comfortable and hold up well during workouts. The simple black design looks clean and works both in the gym and outside. A few people even asked me where I got it.”
— Michael T, Los Angeles




























































































































































