Hello and Welcome to the Forums from Canada!
I would probably stay away from the silicone since it will not allow you to breath (skin wise) and end up making you feel damp if not down right wet.
I tend to shop at DIYgearsupply.com and at wildernesslogics.com. Both Scott and Marty are members here and have fantastic service.
The key to immortality is first living a life worth remembering. - St. Augustine
Some people feel the rain. Others just get wet.
- Bob Marley