Castelli A/C 18 Socks Variant:Castelli Sock A/C 18 White - 2XL ZSG (Zero Slip Grip) Natural

ZSG (Zero Slip Grip) Natural Compound: This compound has the same low rolling resistance as the Ultima compound

full-carbon shell and rails

- Compatible with 68 mm wide Road frames

with great benefits in terms of durability and efficiency

Organic Compound

Castelli A/C 18 Socks Variant:Castelli Sock A/C 18 White - 2XL ZSG (Zero Slip Grip) NaturalTECHNICAL FEATURES Insulation 1 5 Waterproofness 1 5 Windproofness 1 5 Breathability 5 5 Lightness 5 5 Weight: 49 g Temperature: 18C 40C 64F 104F PRODUCT FEATURES Ultralightweight construction for the hottest days Highly breathable and durable nylon threads Ribbed texture for the perfect mix of lightness and durability Castelli wordmark on cuff 95% poliammide, 5% elastan 18 cm cuff