Castelli Pro Seamless Knee Warmer Size:SMALL/MEDIUM perfect for layers on the

perfect for layers on the go

Super Fit Engineering reduces bunching and discomfort while enhancing grip

Add the transitional height mid and side tread

Quick View LEDs on the top of the screen provide turn-by-turn directions

Repels water and atmospheric pollutants

Castelli Pro Seamless Knee Warmer Size:SMALL/MEDIUM perfect for layers on theAbout Castelli Pro Seamless Knee WarmerMost warmers available are made from a nylon elastane material and they tend to hold onto moisture, meaning they may be warm to start but they'll soon have you feeling chilly and damp when you get going. However, the Pro Seamless Knee Warmers use a polyester yarn, far better for dealing with sweat build up while still maintaining excellent warmth. Just what you need for cool weather and hard training. Thanks to