Janji AFO Vent Tank in Midnight, size Small. Barely worn! Hit the trail in the AFO-Vent Tank  this lightweight, 4-way stretch tech top is made from a micro-perforated, abrasion resistant fabric for extra-breathable, durable running comfort. Low-profile, mini-binding collar and armholes are strategically designed to accommodate a hydration vest or pack. AFO-Vent is a special perforated fabric with high abrasion resistance, shape retention, and overall durability, making it an ideal top to wear under a hydration vest or pack. It won’t ride up on you and it won’t pill but it will feel a bit stiffer than your typical tech tees. Expect it to soften as you sweat throughout the run. • Lightweight yet tough: AFO-Vent is a durable, 4-way stretch nylon fabric that is abrasion resistant, retains its shape, resists odors, wicks moisture + dries quickly • Perforated venting: Micro-perforations enhance breathability • Minimal trims, pack compatible: Low-profile, mini-binding collar + armholes provide smooth, flat lying comfort to optimally accommodate hydration vests or packs • Smooth finish: Bonded hemline provides an anti-chafe, clean finish • Stay seen: Janji signature reflective logo on front chest + “watermark” reflectivity on back increase visibility in low light • AFO-Vent: 80% nylon, 20% elastane