Heavyweight oversized black T-shirt with the Jump Knock logo.
A premium heavyweight oversized T-shirt designed for training days, events and everyday wear. Features the JK lightning mark on the chest and clean Jump Knock branding.
Dispatched in 2-3 working days · tracked shipping.
Not right? Return unused items within 30 days.
“Genuinely changed how I train. Clear, structured and supportive - worth every penny.”
“Booked a session not knowing what to expect and left buzzing. Already rebooked.”
“Really knowledgeable and easy to follow. Saw progress within a fortnight.”
