Stay comfortable and look stylish with this IBKUL Mock Neck 1/4 Zip Short Sleeve! Made with our signature patented material, IceFil technology, this breathable and supportive short sleeve will have you ready to conquer all your fun activities! IceFil is a flat weave, anti-microbial, stretch fabric featuring a textured interior. It is ultra-soft, comfortable, and has been specifically engineered to dry quickly and wick away moisture with two-way circulation to control moisture and convert sweat into a cooling refrigerant. It also protects against UV rays and provides UPF 50+ coverage.