Description
Castelli Pro Seamless 2 Arm Warmers
The Castelli Pro Seamless 2 Arm Warmers provide impressive warmth for their low weight, giving you an easy way to adapt your cycling kit as temperatures change. Their fully seamless, highly stretchy construction sits comfortably against the arms, while a polyester-rich fabric blend helps manage moisture when the pace increases.
Designed for approximately 10 to 20 C, these mid-weight arm warmers cover a wide range of riding conditions without becoming overly warm as temperatures rise. When they’re no longer needed, their lightweight construction packs down remarkably small for easy storage in a jersey pocket.
Key Specifications
- Designed for approximately 10-20 C
- Mid-weight seamless construction
- 78% polyester, 15% nylon and 7% Lycra blend
- Highly stretchy fit
- Warm without excessive insulation
- Good moisture management
- Fully seamless construction
- Highly packable design
- Weight: 64 g
Warmth Without Overheating
The Pro Seamless 2 provides more warmth than its lightweight feel might suggest. The mid-weight knit adds useful insulation on cooler starts and descents, while remaining breathable enough to help prevent overheating as your effort or the temperature increases.
Seamless Stretch and Comfort
A fully seamless construction removes potentially irritating seams and allows the warmers to stretch naturally around the arms. The high level of stretch creates a close, barely-there feel that’s comfortable for both hard efforts and longer days on the bike.
Polyester-Rich Fabric Blend
Castelli developed the 78% polyester, 15% nylon and 7% Lycra blend to improve moisture management while retaining the stretch and shape recovery required from a performance arm warmer. This helps move moisture away more effectively while maintaining a secure fit throughout the ride.
Small Enough for a Jersey Pocket
Once conditions warm up, the Pro Seamless 2 Arm Warmers can be removed and folded down to a fraction of the size of conventional warmers. Their compact packed size makes them particularly useful when you’re expecting significant temperature changes during a ride.
Who It’s For
The Castelli Pro Seamless 2 Arm Warmers are for cyclists who want lightweight, highly packable insulation for cool and changeable conditions. Their broad temperature range, seamless comfort and excellent stretch make them particularly useful for early starts, transitional-season riding and days when you’re likely to remove your warmers as the temperature rises.