Profile Design 43 ASC Extensions 400mm XLABS valve: Presta (threaded)

valve: Presta (threaded)

and reduce micro-trauma to the muscles in your lower leg

Side panels of naturally cooling Vapour-Cool provide excellent breathability while two angled covered rear pockets give you plenty of space for the nutrition you need

Orca's RS1 badge is applied to products that utilize the latest in race science materials and construction techniques

VAPOUR-COOL This nanocrystal technology keeps the body cool and promotes fast wicking so you feel comfortable and fresh during the race

Profile Design 43 ASC Extensions 400mm XLABS valve: Presta (threaded)Description When designing these extensions we wanted to utilize carbon fibers' natural ability to be shaped into an aerodynamic form while still providing a good amount of strength and rigidity, hence ASC stands for Aero Shaped Carbon.