Virtue Crown SF-R Speed Feed - Spire III/IV/IR/280/CTRL hkarmylenses Adjustable Head Strap With Silicon

Adjustable Head Strap With Silicon Strips For Secure Fit

PU Lamination

For the best overall experience

With the N-Charge

Virtue Crown SF-R Speed Feed - Spire III/IV/IR/280/CTRL hkarmylenses Adjustable Head Strap With SiliconThe Virtue Spire CrownSF R is the budget friendly speed feed with many of the same design features found in the more expensive CrownSF. The CrownSF R features the same locking speed feed ring that fits securely in place on the CTRL, Spire IR, IR, Spire III and Spire IV, with the main difference being the design of the fingers. The main difference with the CrownSF R is each finger is co molded from two materials and functions without springs. The soft