xprmntl1366362

xprmntl1366362

xprmntl1366362

xprmntl1366362 wrote a question about on March 18, 2010

How can the lenses be "Glass CR39?" Glass is, well glass--a silicon dioxide based, amorphous ceramic. And CR39 is a polymer (plastic), similar to polycarbonate. If it's glass nanoparticle-filled CR39, then it should be called a plastic composite or plastic matrix composite.

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xprmntl1366362

xprmntl1366362 wrote a question about on March 18, 2010

How can the lenses be "Glass CR39?" Glass is, well glass--a silicon dioxide based, amorphous ceramic. And CR39 is a polymer (plastic), similar to polycarbonate. If it's glass nanoparticle-filled CR39, then it should be called a plastic composite or plastic matrix composite.

(0)

 

xprmntl1366362

xprmntl1366362 wrote a review of on January 9, 2010

3 5

I just tried one of these from Steepandcheap, but sent it back due to fit issues. I'm 6'0". 175lb with long arms and am in reasonably good shape. I like my gear to fit somewhat trim so there are no drafty waist and arm issues. I ordered a large and found the current build of this jacket to be too big around the belly (not athletic fit) for me. I didn't like the flared sleeves with no velcro adjustment nor elastic, either. A more tailored body and better sleeve cuffs would make this a great jacket. If you have some girth or want the option of layering a lot, and wear gauntlet-style gloves with it, then it would be fine.

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