Arc'teryxArc'teryx - Motus Sleeveless

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; The Motus baselayer tank top has the active performance you need for thermoregulating performance for interval training while you're trail running or taking care of your gym workout routine. ; Trim Fit: • Motion-friendly fit with reduced fabric for minimal bulk. • Sized for a baselayer fit. ; Phase SL: Superlight baselayer performance for highly aerobic interval activities in warm temperatures. ; Phasic interval system: • Offers varying benefits during the phases of interval training. • Stage 1 - Active/Wicking Phase: Hydrophobic Phi yarns wick moisture. • Stage 2 - Intense/Dispersion Phase: Phi yarns disperse perspiration across the fabric surface for thermoregulation. • Stage 3 - Rest/Drying Phase: High moisture dispersal for quick dry performance. ; UPF 25+ fabrication protects your skin during outdoor activity by blocking harmful Ultraviolet A and Ultraviolet B rays (UVA and UVB). ; Flatlock stitching for reduced friction. ; Scoop neck. ; Sleeveless. ; Racerback. ; Curved hemline. ; Reflective elements improve low-light visibility. ; 70% polyester, 30% propylene. ; Machine wash and line dry. ; Imported. Measurements: ; Length: 24 in ; Product measurements were taken using size XS. Please note that measurements may vary by size.