Castelli Aero Race Pro 20 Sock Locks Cable it provides a simple solution

it provides a simple solution for carrying a water bottle

Weight: about 0

but one that is made for aerodynamics and also comfort

Waterproof: IPX 6

Please purchase it sepertaly

Castelli Aero Race Pro 20 Sock Locks Cable it provides a simple solutionPRODUCT FEATURES Traditional sock comfort with raised aero ribs Developed to provide everyday aerodynamic gains Durable and breathable construction 90% polyamide 10% elastane mix for optimal comfort and fit 20 cm cuff TECHNICAL FEATURES Insulation 1 5 Waterproofness 1 5 Windproofness 1 5 Breathability 4 5 Lightness 4 5 Weight: 46 g Temperature: 10C 38C 50F 100F Fit: Race FAST, SOCK, ALWAYS. We set out to make an aero sock that doesnt compromise on the