Bolle makes pretty high-end sport sunglasses that generally cost > 75 bucks a pair. Good thing REI.com has these Bolle Slipstreams on closeout: only $29.93 + shipping!
An awesome price for a well respected brand.
Features:
Hydralon - Bolle's proprietary nylon frame material, is virtually indestructible and comfortably lightweight
Thermo-Grip - rubber temple tips and nose pads deliver firm, comfortable adhesion, especially when you sweat
Slipstream sunglasses come with a soft pouch and a chamois cloth.
Get the nitty-gritty details about these Bolle Slipstream Sunglasses at MDS