CASTELLI Unlimited Ultimate Liner

Original price was: $219.99.Current price is: $164.99.

Minimalist, breathable cycling liner with Progetto X2 Air pad and three rear pockets.

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30-day returns on eligible unused items

Ships from Guelph, Ontario

Decision guidance

Is this right for you?

Best For

Ideal for cyclists who prefer wearing baggy shorts but want the comfort and support of a high-performance liner for long rides and rough terrain.

What to Know

Regular fit with compressive Force fabric through the hips to keep the pad in place, perforated lightweight leg panels for ventilation, and adjustable leg length thanks to Giro Air elastic grippers.

Why We'd Choose It

Choose this liner for its top-tier Progetto X2 Air seamless pad, excellent ventilation, secure fit, and the convenience of rear pockets designed to work seamlessly under baggy shorts.

At a glance

Product facts

Fit: Regular fit
Conditions: 14°C - 35°C / 57°F - 95°F
Use: Long rides and trail cycling under baggy shorts.
Key feature: Progetto X2 Air seamless pad with secure Force fabric.

Product Story

Product details

Ultimate Comfort and Support

The Castelli Unlimited Ultimate Liner is engineered to provide superior comfort under baggy cycling shorts. It features the Progetto X2 Air seamless pad, which combines a soft Skin Care Layer with a dual-density foam and gel Cushioning Layer for excellent support on long rides and rough trails. The Force fabric through the hips keeps the pad securely in place while allowing ventilation.

Lightweight and Breathable Design

Perforated leg panels maximize ventilation and cooling, complemented by Giro Air leg grippers that hold the legs firmly without compromising airflow. The minimalist bib straps, inspired by the Free Aero RC Bibshort, enhance breathability and comfort. Additionally, three rear pockets positioned above the waistband provide convenient storage without interfering with baggy shorts.

Key Specs

Specs

Weight	210 g Lightweight construction for comfort
Temperature Range	14°C - 35°C / 57°F - 95°F Suitable for warm to mild conditions
Seat Pad	Progetto X2 Air seamless pad Dual-density foam and gel cushioning with Skin Care Layer
Fabric	Force fabric through hips, perforated leg panels Provides pad stability and ventilation
Additional Features	Giro Air leg grippers, minimalist bib straps, 3 rear pockets Ensures secure fit, breathability, and storage

Questions & answers

Common questions

What type of padding does the Unlimited Ultimate Liner use?

It uses the Progetto X2 Air seamless pad, which includes a soft Skin Care Layer and a dual-density foam and gel Cushioning Layer for comfort and support.