Layer on this lightweight, fitted pullover version of our Define Jacket when you want a sweat-wicking top for sweaty workouts and adventures. luon® Our sweat-wicking, four-way stretch Luon® fabric is cottony soft—we love this high-performance fabric for its serious stretch and recovery in all our sweaty pursuits sweat-wicking four-way stretch cottony-soft handfeel quick recovery naturally breathable features Designed for: Office Travel Commute Lycra®: Added Lycra® fibre for shape retention Thumbholes: Thumbholes help keep your sleeves down for easy layering Hidden pocket: Hidden pocket to stash your cards and key Questions? Leave a comment below!