Signature Open Back Arm Cups Tires Waterproof – Provides a water-tight

Waterproof – Provides a water-tight seal to keep watersports gear performing no matter the activity

Efficient shifting and smoother driving

It's design features a tough

POCKET IMPERO does not suffer from efficiency loss when hot

and with a 3D Power Graphite Sheet to enhance the shoe response

Signature Open Back Arm Cups Tires Waterproof – Provides a water-tightSignature Open Back Arm Cups: The Ultimate Aero Comfort Upgrade The TriRig Signature Open Back Arm Cups are designed for comfort and performance. Crafted from our ultra strong, lightweight ThermoPlast material, these arm cups offer superior strength and durability at our most affordable price point ever. Triathletes and time trial cyclists who use our Signature Open Back Arm Cups stay comfortable in the aero position longer due to the textured