Arc'teryxArc'teryx - Sirrus Long Sleeve Top

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; Get a little more from your thermal layering system. A classic waffle knit is fine and dandy, but the double-knit performance design of the Arc'teryx Sirrus Top provides warmth and moisture wicking for thermoregulation that, frankly, just does more. ; Regular Fit: • Anatomical mapping and gussets improve range of motion by reducing excess fabric. • Allows room for an additional baselayer. ; DryTech fabric: • Long-staple cotton threads are plaited with elastane for improved stretch. • Poly microfiber threads next to skin increase the speed of moisture-wicking and quick dry performance. • 5 oz/yd² / 168 g/m² fabric weight. ; Round neckline. ; Long sleeves. ; Banded cuffs. ; Half-moon yoke. ; Extended hemline improves coverage. ; BIRD logo placed at the left hip. ; 88% cotton, 10% polyester, 2% elastane. ; Machine wash and hang dry. ; Imported. Measurements: ; Length: 26 in ; Product measurements were taken using size XS. Please note that measurements may vary by size.