Sloggi EVER Ease Tai. The EVER Ease collection uses thermoregulating technology to keep you cool when you're hot and you warm when you're cool using a hydro-functional polymer that is built into the fabric. Mid rise brief with a high leg cut, comfortable gusset and high cotton content. Product is machine washable. Tai-style briefs with slim sides Super-soft GOTS-certified organic cotton Thermoregulating HeiQ Smart Temp technology adjusts to your body temperature for continuous comfort Soft elastic waistband Breathable cotton gusset.