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Master the Mat — One Grip at a Time

Aperto delivers premium grip-training gear built from authentic gi materials — crafted for martial artists who value performance, intention, and style. More than a tool, it’s a mindset.

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About us

Aperto was born from the world of jiu-jitsu — where grip, flow, and focus meet. We design elevated grip-training gear using authentic gi materials, built for those who train with purpose.

Blending clean design with functional strength, Aperto is more than a product — it’s a reflection of mindset, discipline, and everyday growth.

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Crafted for Everyday Excellence

Thank you for valuing the kind of craftsmanship that takes time, intention, and purpose. At Aperto, we design premium essentials that elevate your daily flow — blending utility, durability, and refined detail.

Your standards inspire our standards.

Train Smarter

Train Beyond the Mat

The GripForm Trainer isn’t just for the gi — it's a complete grip trainer designed for no-gi athletes, climbers, lifters, and anyone who values functional strength and precision.

Aperto helps you build real-world grip control no matter your sport or style.

The GripForm Trainer

FAQ

What is a GripForm Trainer?

TheGripForm™ Trainer is a compact, travel-ready grip training tool designed to mimic the feel and resistance of a Jiu-Jitsu gi. Made from high-grade 450gsm pearl weave cotton with a thick lapel edge, it allows athletes to train grips off the mats using cable machines, resistance bands, kettlebells, or even bodyweight. Whether you train gi, no-gi, or simply want to improve hand strength, the GripForm™ Trainer helps you build real-world grip endurance and control.

What’s the weight capacity of the GripForm™ Trainer?

The GripForm™ Trainer is built with reinforced stitching and durable 450GSM Pearl Weave materials. It can safely handle up to 180lbs of static load when used with cable machines.

When using it for pullups over a bar, always use a high collar grip, low grip on the lapel creates a weak point on the sleeves stitching.


(Always check for secure attachment before training.)

Is this for Gi or No-Gi Training?

Both — it's built for gi-specific grip training but also great for no-gi athletes, climbers, and anyone working on grip strength.

How do I use it in my workouts?

Attach it to cable machines, resistance bands, kettlebells, or pull-up bars for grip-focused strength training. It works with all standard exercises where you'd use a typical lat pulldown or cable attachment — with the added benefit of a jiu-jitsu-specific grip challenge and feel.

How long does shipping take?

Orders ship within 2–3 business days. U.S. delivery typically takes 3–5 days via USPS.