Most 'spf shirts' are synthetic blends. Be aware that if not 100% cotton, xenoestrogens will be released into your body with higher levels detected during heated work out sessions or time in the sun. It's may be negligible amount, but still something to be aware of.
Most 'spf shirts' are synthetic blends. Be aware that if not 100% cotton, xenoestrogens will be released into your body with higher levels detected during heated work out sessions or time in the sun. It's may be negligible amount, but still something to be aware of.
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