Pre-owned Arc'teryx Phase SL long sleeve crew shirt with light overall fabric wear from prior use. Lightweight polyester shell, neckline, cuffs, seams, and printed logos are clean and structurally intact. A small faint white mark is present on the right sleeve near the shoulder logo, and the fabric shows minor wrinkling and creasing from storage and handling.

Brand: Arc'teryx.

Style: mens Arc'teryx Phase SL Crew LS long sleeve performance base layer shirt.

Color: blue; tag size: XXL (2XL); department: men; size type: regular; fit: regular; sleeve length: long sleeve; neckline: crew neck; closure: pullover; type: t-shirt; style: basic performance base layer; pattern: solid; fabric type: lightweight jersey knit; features: tagless printed neck label, anti-odor treatment, flatlock seams, forward side seams, Arc'teryx bird logo at left shoulder, and small "PHASE SL" logo at lower left hem; occasion: activewear, hiking, running, gym training; season: spring, summer, warm weather.

Material: body listed as 100% polyester; fabric type: lightweight synthetic jersey knit treated with an anti-odor biocidal product using silver nitrate as the active ingredient.

Tag details: interior neck label shows Arc'teryx logo branding with men's sizing of XXL/TTG and Made in Vietnam wording; inner white fabric content label lists body 100% polyester in multiple languages and notes treatment with an anti-odor biocidal product; additional care label lists style name Phase SL Crew LS Men's, style/code 16255-110753, date code 10/17, size 195/124A (XXL), and CA# 34438 along with Made in Vietnam text.

Design: minimalist blue performance knit body with a crew neckline, set-in long sleeves, and flatlock-stitched seams placed slightly forward on the torso for comfort under packs and shells; smooth exterior finish with a subtle tonal micro-rib texture intended to sit close to the skin.

Back design: clean back panel for low-bulk layering with vertical seam details along the sides and a small printed "PHASE SL" wordmark near the lower left hem.

Features: quick-drying moisture-wicking polyester fabric for high-output activities, lightweight construction suitable as a base layer or standalone top in warm conditions, tagless printed neck label to reduce irritation, and stretch fabric designed to allow natural range of motion during hiking, running, and training.

Special notes: non vintage Arc'teryx mens Phase SL Crew LS blue long sleeve performance base layer shirt in tag size XXL/2XL made in Vietnam; see condition description and all photos for additional views of fabric, logos, and construction details.