Description
Product Overview
Castelli’s Pro Seamless Leg Warmers are engineered for cyclists who demand warmth without bulk. Crafted from a high‑performance mix of 78% polyester, 15% nylon and 7% Lycra, the sleeves deliver thermal retention while efficiently wicking moisture. The fully seamless construction eliminates chafing, and the synthetic outer material resists wind and light rain. Available in a versatile black finish, they suit both men and unisex riders.
Usage
Ideal for early morning rides, autumn training sessions, or cool‑weather commutes, these leg warmers fit comfortably under jackets or can be worn alone in milder conditions. Their stretchable fit accommodates sizes from small/medium to men’s 3.5‑7.5 and women’s 5‑9, ensuring a secure yet flexible feel for a wide range of cyclists.

Why Choose Us
Castelli is a trusted name in cycling apparel, known for meticulous craftsmanship and rigorous testing. These leg warmers feature a proprietary seamless knit that reduces friction points, while the fabric blend offers durability and easy care. Manufactured in 2020, they meet high performance standards and come with a reputation backed by over 100 positive customer reviews.
Key Features
- Seamless construction for friction‑free comfort
- 78% polyester, 15% nylon, 7% Lycra blend for warmth and stretch
- Lightweight design – only 0.15 lb per pair
- Versatile sizing fits a broad range of cyclists
- Black synthetic finish resists wind and light moisture
FAQ
What size should I choose?
The warmers are designed to fit small/medium as well as men’s shoe sizes 3.5‑7.5 and women’s 5‑9. Refer to the size chart for the best fit.
Can I wear them under a jacket?
Yes, the slim profile allows them to be layered under most cycling jackets without adding bulk.
How do I care for these leg warmers?
Machine wash cold on a gentle cycle, tumble dry low, or air dry to maintain elasticity and performance.
Are they suitable for other sports?
While optimized for cycling, the breathable, seamless design makes them suitable for running, hiking, or any activity requiring leg warmth.
Do they cause overheating?
No, the fabric blend provides insulation while the Lycra stretch promotes airflow, preventing excess heat buildup.




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