Here's what other sites are saying:
Features of the Arcteryx Men's Velox Short Sleeve Crew Mesh textile is engineered for enhanced durability, rapid dry time and maximum air flow for temperature regulation Merrow stitch seams reduce seam size Fabric Details Libro with DAO - 100% Polyester
- Moosejaw refers to the men's version
An incredibly thin polyester fabric makes the Arc'teryx Men's Velox Comp Short-Sleeve Crew breathable enough for the most demanding aerobic pursuits. From working on beating your PR in the mile to hiking a casual trail after work, this shirt's breathability keeps you dry and comfortable no matter how enduring the task. Although thin, this shirt was built to last so you can rely on it run after run and hike after hike.
- Backcountry.com refers to the men's version
Long trail days in hot weather require clothing delivering exceptional airflow and moisture management. The Velox SS utilizes Arc'teryx Libro(TM) stretch polyester micro mesh to meet these performance demands. Highly air permeable the quick-drying fabric is engineered for maximum air circulation and moisture evaporation and delivers the durability required to withstand extended use while wearing a pack.The redesign includes an updated style and silhouette and a reduction inseam size with merrow stitches. Weight: 100 g / 3.5 ozFit: Regular FitActivity: Hiking / TrekkingModel: 20987
- Massey's Outfitters refers to the men's version
The Arc'teryx Velox Short Sleeve Crew Shirt is perfect for warm climates and full-out training runs that require a super breathable shirt. This is a whisper-light polyester top that has an excellent weight to durability ratio. Flat-locked and well placed seams, heat transfer labels, and an athletic fit reduce chafing on the trails.
- CampSaver.com refers to the men's version
S, M, L, XL, XXL
100 g / 3.5 oz
Libro™—Polyester weave mesh fabric