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Castelli Core Seamless Base Layer SS

$94.99

Castelli Core Seamless Base Layer SS provides a warm, soft fit with moisture control for cool to cold cycling.
Free standard shipping Canada-wide over $100
30-day returns on eligible unused items
Ships from Guelph, Ontario

Decision guidance

Is this right for you?

Best For

Ideal for cyclists seeking a warm, breathable base layer for cool to cold conditions, especially when riding under short-collared jerseys.

What to Know

Regular fit with exceptional stretch and seamless construction ensures comfort and freedom of movement during rides.

Why We'd Choose It

Choose this base layer for its combination of warmth, moisture-wicking properties, and seamless comfort, designed specifically to perform well in cool cycling conditions.

At a glance

Product facts

Fit
Regular fit
Conditions
8°C - 20°C / 46°F - 68°F
Use
Base layer for cycling in cool to cold weather
Key feature
Seamless polyester-polypropylene blend for warmth and moisture control
Product Story

Product details

Enhanced Comfort and Performance

The Castelli Core Seamless Base Layer SS features a seamless construction that provides exceptional stretch and comfort. Made from 84% polyester and 16% polypropylene yarns, it delivers a soft, warm, and moisture-wicking experience to keep you dry during rides.

Lightweight and Functional Design

  • Lighter weight fabric on the sides and back for breathability and comfort
  • Wide neck opening designed to fit comfortably under short-collared jerseys

This base layer is designed to keep you warm and dry in cool to cold weather, making it a reliable choice for cycling enthusiasts.

Key Specs

Specs

Material Composition 84% polyester / 16% polypropylene Provides soft, warm wicking and exceptional stretch fit
Weight 141 g Lightweight for comfort
Temperature Range 8°C - 20°C / 46°F - 68°F Suitable for cool to cold days
Fit Regular Comfortable stretch fit
Questions & answers

Common questions

What materials are used in the Core Seamless Base Layer SS?

It is made from 84% polyester and 16% polypropylene yarns, providing warmth, moisture-wicking, and stretch comfort.

Is the base layer suitable for warm weather?

No, it is designed for cool to cold conditions with a temperature range of 8°C to 20°C (46°F to 68°F).

What is the fit of the Core Seamless Base Layer SS?

It has a regular fit with seamless construction for enhanced comfort and stretch.

Can this base layer be worn under short-collared jerseys?

Yes, it features a wide neck opening designed to fit comfortably under short-collared jerseys.

Delivery & Returns

What to expect

Shipping

Free standard Canada-wide shipping over $100 before tax.

Returns

30-day returns for eligible unused items.

Ships from

Ships from Guelph, Ontario
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