Brand: Patagonia.

Style: Mens long sleeve base layer shirt with an athletic fit and crew neckline.

Color/Pattern: Solid red body with tonal waffle texture and darker red contrast stitching.

Size: Mens Small as indicated on the interior printed neck label marked M's S.

Material: Midweight polyester Capilene Baselayer fabric with Polartec technology for warmth, breathability, and moisture management.

Design details: Crew neck with soft inner binding, long sleeves with flatlock seams, paneled shoulders, and straight bottom hem.

Back details: Solid red back panel with the same smooth outer surface and gridded thermal backing.

Logos/Branding: Printed Patagonia mountain logo and Capilene Baselayer graphics at the interior neck and small woven Patagonia label at the lower front hem.

Tag details: Tagless printed neck label lists midweight Capilene Baselayer, size M's S, Made in El Salvador, and Polartec branding.

Features: Tagless construction to reduce chafing, breathable knit with grid interior for insulation, quick-drying performance, and flatlock seams designed to layer comfortably under outerwear for hiking, running, and winter sports.

Theme: Mens Patagonia Capilene thermal base layer top for cold weather training, skiing, running, and everyday outdoor wear.

Note: Refer to the condition description and all listing photos for additional product and fit details before purchase.