Castelli Aero Race 2 Shoecover – Aerodynamic Waterproof Cycling Shoe Covers

The Castelli Aero Race 2 Shoecover are aerodynamic cycling shoe covers designed to provide protection from wind and rain without adding unnecessary bulk or weight.

Developed to meet the needs of professional cyclists, they feature a minimalist construction that combines thin, stretchy fabric with a waterproof polyurethane coating.

The material fits snugly over cycling shoes, creating a close-fitting, aerodynamic Race fit, while providing protection in cool and wet conditions.

Recommended for temperatures between 10 and 18°C, they are designed for road cycling when protection from wind and light rain is needed without the bulk of thermally insulated shoe covers.

Aerodynamic Design and Race Fit

The Castelli Aero Race 2 Shoecover are designed to minimize bulk.

The thin, stretchy fabric adapts to the shape of the shoe, creating a close-fitting surface and an aerodynamic profile.

The Race fit ensures a precise, snug fit while maintaining a lightweight, minimalist construction.

With a 5/5 lightweight rating, these shoe covers prioritize a minimal design without compromising weather protection.

Stretch Fabric with Waterproof PU Coating

The main material of the Castelli Aero Race 2 Shoecover is a stretch fabric with a waterproof polyurethane (PU) coating.

This combination allows the shoe cover to adapt to the shoe while helping block wind and water.

Castelli rates the product 4/5 for waterproofness and 4/5 for wind protection.

The shoe covers are suitable for cool, wet conditions, with protection rated for light rain.

Inner Silicone Gripper to Reduce Water Entry

The upper edge of the shoe covers features an inner silicone gripper, designed to improve grip around the leg.

This helps keep the shoe cover securely in place while cycling.

The silicone gripper also helps reduce water entry from the top, providing additional protection on rainy days.

Waterproof Zipper for Easy On and Off

The Castelli Aero Race 2 Shoecover feature a waterproof zipper designed to help keep water out.

The long zipper makes the shoe covers easier to put on and take off, providing greater convenience.

This feature integrates into the close-fitting construction while maintaining a streamlined design.

High-Resistance Material Under the Foot

The underside of the Castelli Aero Race 2 Shoecover features a high-resistance material.

This reinforcement is designed to increase durability in the area under the foot, which is more exposed to contact and wear during use.

The construction therefore combines a thin, stretchy upper with a reinforced lower section.

Lightweight Protection for Temperatures from 10 to 18°C

The Castelli Aero Race 2 Shoecover are designed for cool and wet conditions, with a recommended temperature range of 10 to 18°C.

These shoe covers are not thermally insulated and are primarily designed to protect against wind and rain.

Castelli rates their thermal insulation at 2/5 and breathability at 3/5.

These features make them suitable for cyclists looking for lightweight weather protection without the bulk of winter shoe covers.

Materials and Composition

The Castelli Aero Race 2 Shoecover use different materials in various sections of the product.

The outer layer of the main fabric is made from 100% polyurethane, while the inner layer consists of 87% polyamide and 13% elastane.

The fabric beneath the zipper is made from 100% polyamide.

The outer layer of the underfoot section is made from 100% polyurethane, while the inner layer consists of 70% polyester and 30% cotton.

This construction combines stretch, water protection, and reinforcement in the lower section.

Aerodynamic Shoe Covers for Road Cycling

The Castelli Aero Race 2 Shoecover are part of the Rosso Corsa collection and are designed for road cycling.

The combination of waterproof stretch fabric, Race fit, silicone gripper, waterproof zipper, and reinforced underfoot section provides essential protection against wind and light rain.

They are ideal for cyclists who want to maintain an aerodynamic profile and minimize bulk, with protection suitable for temperatures between 10 and 18°C.

Technical Specifications

• Recommended temperature: 10–18°C

• Breathability: 3/5

• Waterproofness: 4/5

• Wind protection: 4/5

• Thermal insulation: 2/5

• Lightweight rating: 5/5

• Water protection: Light rain

• Main fabric: Stretch fabric with waterproof PU coating

• Design: Aerodynamic, thin, and close-fitting

• Insulation: Non-insulated shoe covers

• Upper edge: Inner silicone gripper to keep the shoe cover in place and reduce water entry

• Closure: Long waterproof zipper

• Underside: High-resistance material under the foot

• Main fabric outer composition: 100% polyurethane

• Main fabric inner composition: 87% polyamide, 13% elastane

• Fabric beneath zipper: 100% polyamide

• Underfoot outer composition: 100% polyurethane

• Underfoot inner composition: 70% polyester, 30% cotton