Castelli Medio SS Base Layer – Breathability and comfort for cycling

The Castelli Medio SS base layer is a technical base layer designed to provide moderate thermal insulation and excellent moisture management during cycling rides on cool days. Ideal for road cycling, it is the perfect choice for those seeking the right balance of warmth, breathability, and freedom of movement.

Made from soft, stretchy 100% polyester fabric weighing 190 g/m² with a brushed finish for a pleasant feel against the skin, this base layer helps manage sweat during physical activity, keeping the body drier and more comfortable while riding.

The fabric's medium weight provides moderate thermal insulation, making the Castelli Medio SS particularly suitable for cool weather conditions when it is important to retain body heat without sacrificing breathability.

The crew neck ensures a classic, comfortable fit, while the Regular cut provides a balanced fit, ideal for wearing under a cycling jersey.

Key Features

• Moderate thermal insulation: medium-weight fabric, ideal for cool cycling days.
• Excellent moisture management: designed to help control sweat during sports activities.
• Soft, stretchy fabric: made from 100% polyester with a brushed finish for superior comfort against the skin.
• Fabric weight of 190 g/m²: designed to provide a good balance of insulation and breathability.
• Crew neck: classic design that ensures comfort and practicality.
• Regular fit: regular cut, suitable for use as a base layer under technical cycling apparel.

Technical Specifications

• Brand: Castelli
• Model: Medio SS
• Type: short-sleeved technical cycling base layer
• Composition: 100% polyester
• Fabric weight: 190 g/m²
• Fabric treatment: brushed finish (sanded)
• Fit: Regular
• Neck: crew neck (Crew Neck)
• Thermal insulation: moderate
• Moisture management: excellent
• Recommended activity: road cycling (Road)
• Water protection: none (None)

Why choose the Castelli Medio SS base layer?

If you are looking for a cycling base layer that provides comfort and effective sweat management on cool days, the Castelli Medio SS is an ideal companion for your road training. The stretchy 190 g/m² fabric, 100% polyester composition, and moderate thermal insulation make it a practical base layer to pair with your technical apparel, allowing you to enjoy a pleasant level of comfort throughout your ride.