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Castelli Thermoflex 2 Knee Warmer Black XL

Brand: Castelli

SKU: 4519532-010-XL

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Product Details

Description

The Castelli Thermoflex 2 Knee Warmer Black XL uses plush Thermoflex fleece and smart single-piece construction to deliver warm, stretchy, and comfortable coverage for cool rides; flat-lock seams and dual-sided silicone grippers keep the warmers in place while maintaining a low bulk fit ideal for layering under shorts.

Key Features

Thermoflex fleece for warm soft stretch
Flat lock single-piece seam construction
Dual silicone gripper prevents sliding down
Comfort range 8°–18°C

Specifications

Product Overview

Product

Castelli Thermoflex 2 Knee Warmer Black XL

Brand

Castelli

SKU

4519532-010-XL

Product Features

Colour

Black

Frequently Asked Questions

What is the Castelli Thermoflex 2 Knee Warmer Black XL used for?
The Castelli Thermoflex 2 Knee Warmer Black XL is used to keep the knee area warm and comfortable during cool-weather cycling.

Why choose the Castelli Thermoflex 2 Knee Warmer Black XL?
Choose the Castelli Thermoflex 2 Knee Warmer Black XL for its soft Thermoflex fleece, secure silicone grippers, and streamlined single-piece construction that combine warmth, comfort, and a reliable stay-put fit.

Warm and luxurious fabric

Thermoflex fleece feels soft against the skin while providing effective insulation. It keeps knees comfortably warm without restricting movement.

Secure stay-put fit

Dual-sided silicone grippers and flat-lock seams prevent slipping during activity. The single-piece construction reduces chafing and improves durability.

Versatile temperature range

Designed for cool conditions between 8° and 18°C. Lightweight yet insulating, suitable for variable weather and layered setups.

Warmers - Castelli

	Short/Jersey Size	Approximate Weight
Small (Womens)	Extra Small - Small	45 - 61kg
Small (Mens)	Small - Medium	45 - 61kg
Medium	Small - Medium	61 - 70kg
Large	Large - Extra Large	70kg - 79kg
Extra Large	2XL - 3XL	>80kg - >80kg