The Rapha Women's Pro Team Sleeveless Mesh Base Layer is super lightweight and breathable so sweat is drawn away from your skin then dries quickly, keeping your core temperature stable – breezes and fast descents won’t chill skin that’s wet with sweat when a well-fitted base layer is working to keep you dry.The Women's Pro Team Mesh Base Layer has been updated with feedback from the professional riders of CANYON//SRAM, making it the ultimate foundation for high-tempo riding and racing. It is made using a super light open mesh for exceptional breathability, with high-stretch side panels that are high-wicking, soft and shaped to offer a close fit in an on-bike position. Low profile and high-stretch twin needle seams minimise rubbing Increased stretch allows a tight yet comfortable fit Main fabric: 90% polyester, 10% Elastane Side panels fabric: 86% Polyester, 14% Elastane SIZING: (Chest cm)X-Small: 83cmsmall: 88cmMedium: 93cmLarge: 98cm