Practical & Scientific Strength & Conditioning For Fighters... Without Vomiting Your Lunch After Endless "Fight Specific" Circuits

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Conquer Your Fight Preparation

Learn how you can eliminate strength & conditioning mistakes destroying your fight performance... even if you aren't a trainer. The SSOF Underground gives you exclusive access to a collection of elite combat sports coaches and PhD researchers at your fingertips.

About Me.

Hi! James de Lacey here. I own and run Sweet Science of Fighting. Strength & Conditioning is my passion to the point I made it my career so I could help athletes like you succeed in their sport. I hold a Master of Sport & Exercise Science and have published academic research. Further, I've worked in three countries at the elite and international level of sport preparing athletes for competition. I train and compete in BJJ and created Sweet Science of Fighting to bring you cutting edge training information from myself and high-level coaches you can access with a click of a button.

Which Combat Sports Athlete Are You?

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Sweet Science of Fighting Rash Guard

The Sweet Science of Fighting Rash Guard is available in short and long sleeve. Premium fit and materials in collaboration with XMartial.

Sweet Science of Fighting BJJ Shorts

Insanely comfortable mid-thigh Sweet Science of Fighting BJJ and MMA shorts available in collaboration with XMartial.

May 27, 2023

Standard competition MMA gloves are usually too thin for anything other than very light MMA

May 25, 2023

As someone who has been using boxing gloves for 15 years and frequently tests different

May 24, 2023

No one doubts that being punched in the face with boxing gloves hurts. The question

May 20, 2023

Traditional BJJ is practiced in a gi, which leaves no questions about the proper clothing

May 16, 2023

The Triangle Choke, or Sankaku-Jime, is likely the most recognized strangle in Jiu-Jitsu. The technique’s

May 11, 2023

The conditioning landscape in combat sports is changing. For over a decade (and currently), Joel

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