The all-new Phase carbon equals all day comfort and performance when it matters. Featuring ForceDrive carbon composite outsole and fast ratchet buckle for excellent power transfer, Phase let you go the distance thanks to Giant's on-road comfort last construction, Airstream 5-vent cooling system and TransTextura Plus antibacterial footbed that keep you fresh and ready for more miles.Features:Sole: ForceDrive carbon composite outsole designLast: Giant's on-road comfort last constructionTread: Streamlined tread, anti-slip studs in front, middle and rearFootbed: TransTextura Plus antibacterial footbedVentilation: Airstream 5-vent cooling systemUpper: Quick fit vented mesh upperClosure: Fast ratchet buckle + 2 Velcro® strapsExtra: Heel force band for better gripCleat: Only compatible with three bolt cleats