RAB Womens Sonic Zipped Long Sleeve Top Red - Multiple Sizes. Sizes are - UK,8,10,12,14,16 ** please add size to buyer notes or message prior to purchase. The two-fabric construction of the Women’s Sonic Long Sleeve Tee is designed to offer outstanding moisture management whilst the use of open-knit mesh panels under the arms, at the cuffs and on the lower back increases airflow exactly where it’s needed. A regular fit helps preserve that airflow and the deep venting zip on the chest is bonded in and extended to the sternum for extra comfort when wearing a running pack. With soft, lightweight micro-seam stitching to help eradicate abrasion and keep the weight minimal, the Women’s Sonic Long Sleeve Tee is a highly specialised long-sleeve mountain running top.