ASICS Seamless T-Shirt This Seamless T-Shirt makes movement easy and comfortable, thanks to its lightweight, breathable design. Seamless equals pure comfort. This top has been created by our expert running team to make you feel your best when reaching for your run goals. You won't want to take it off after trialling it. The improved knit fabric is soft as butter whilst the advanced ACTIBREEZE technology adds a new level of breathability to keep it dry. It is made with at least 50% recycled materials of the primary material.