maillot aero race 61 quickstep castelli Triathlète débutant Open Water Swim Mode: Uses

Open Water Swim Mode: Uses built-in GPS for training sessions in lakes

Sealed shoulder seams for extra rain protection

Waterproof YKK® zip for easy on/off

5 (4 hole)

Without compromising on versatility and comfort

maillot aero race 61 quickstep castelli Triathlète débutant Open Water Swim Mode: UsesProduct Features CFD based fabric placement and seam construction Engineered for aero efficiency at 30 to 55 km h AirFlow shoulder construction Velocity Rev2 fabric on front and sleeve 3D mesh back for breathability Elbow length stretch sleeves with raw cut edge YKK Vislon zipper Drop tail allows for perfect pocket placement while keeping jersey fitting well at waist Integrated transparent number pocket on back eliminates need to pin on race numbers