Function18 is an online specialist focused on functional fitness equipment — curated kettlebells, adjustable dumbbells, resistance tools and studio accessories designed for home and boutique training. The store emphasizes pro-grade construction and space-conscious design for athletes, coaches and serious home-gym builders shopping online.
Top reasons
Performance-led gear for home and pro training.
Strength essentials
Function18’s strength lineup centers on adjustable dumbbells and precision plates engineered for repeatable performance. Expect tight tolerances, robust finishes and compact storage choices that suit both condo gyms and boutique training spaces. Product pages emphasize weight increments, compatibility and build materials so you can compare sets before committing — ideal for athletes who need heavy-duty equipment without a sprawling footprint.
Functional training accessories
Kettlebells, resistance bands, slam balls and mobility tools form the brand’s functional training core. Items focus on feel, balance and repeatability for circuit and metcon work, plus studio-grade accessories like non-slip mats and rig attachments. The selection is curated to outfit small classes or disciplined home workouts with professional-grade implements that hold up session after session.
What they sell
Our verdict
What we like
- Durable, pro-grade construction across core strength lines
- Space-conscious designs suited to home and boutique studios
- Curated selection with clear specs and training-focused descriptions
- Good fit for athletes and trainers seeking long-lasting gear
Worth knowing
- Smaller, curated range—less selection than mass-market retailers
- Price leans toward mid–premium compared with entry-level options