How does Moisture Wicking Work? This section supplies information about the moisture-wicking process & how it can help improve your quality of life. Sleep Dry-Stay Cool offers tested, proven moisture-wicking products designed to provide relief from hot flashes, night sweats and excessive perspiration. Our sleepwear, lounge wear & bedding is made with specially-treated, patented fabrics manufactured by leaders in the moisture-wicking and performance-wear industry. For detailed information about our wicking manufacturers - and how their products work to keep you cool & dry - look for the brand name above and click on the sub-category arrows. This will open the corresponding window.