Castelli Size Chart The Roubaix Gel Gloves use strategically positioned gel cushioning to provide excellent shock absorption, making them the glove of choice for riders who want a smooth ride. A mesh back and perforated synthetic suede palm keep your hands cool and dry. The Roubaix is well suited for wear in wide range of cool to warm temperatures. Features: - Mesh back of hand for fast cooling - Gel padding for extra cushioning - Synthetic palm is perforated for breathability - Temperature range: 15deg-30degC / 59deg-86degF - Weight: 34g