This is the women’s specific version of Castelli’s Pro Issue base layer. Suitable for the majority of the British summer it helps wick moisture from the skin making your body more comfortable than using a summer jersey alone. It’s also ideal used under the Gabba W wicking sweat away allowing the Gabba’s liner and membrane layers to be more effective for longer periods.Key Features: 100% polyester 3D mesh fabric wicks and dries amazingly,Reduced seaming at the shoulders for extra comfort,Double layer neck line,Flat waist hem sits better under shorts,Sizes XS-XL,Temperature of comfort range of 15° – 25°C,Weight 40g (S).