They seem to be okay, though one clamp would not stay attached. Had to bend if some to strengthen the grip. I think the cross (leather piece) could be a bit higher, feels like the straps want to slide off the shoulders at times. Will see with time how the elastic holds up for durability.
Oakley Flak Jacket 13-727 with Polarized Lenses
36 Review
The Ultimate Ski Mask: The Friendly Swede Balaclava Face Mask For Men And Women - Perfect For Standard, Nordic, And Arctic Conditions!
41 Review
Oakley Flak Jacket XLJ Sunglass Replacement Lenses & Sock Kit By BlazerBuck
39 Review
Walleva Replacement Lenses Batwolf Sunglasses Men's Accessories
46 Review