description ergodyne glowear 8283bk performance hi vis t shirt black bottom lime medium the glowear® 8283bk lightweight performance hi-vis t-shirt is a type r class 2 shirt designed for enhanced visibility and breathable comfort. with an extra soft, jersey-like feel, this 100% polyester fabric is the lightest weight ansi 107-approved fabric on the market. great for working in the heat, this reflective safety shirt features a moisture-wicking treatment and underarm vents to keep wearers cool and dry.. it is rated to 30+ upf for protection against the sun's harmful uv rays. the black panel across the bottom hides dirt, grit and dust to keep the shirt looking cleaner longer. additionally, black vented underarm panels hide sweat and improve breathability. this hi vis work shirt uses segmented 2 reflective tape for enhanced visibility at night or in low-light conditions. unlike solid reflective tape, the flexibility of segmented tape allows reflective clothing to feel more comfortable, lightweight and breathable. california proposition 65 warning. features lightweight breathability: incredibly lightweight polyester performance fabric for all-day comfort in the heat (20% lighter than glowear® 8280bk performance hi-vis shirt) high visibility: ansi/isea 107, type r class 2 compliant with 2-in segmented reflective tape for low-light visibility moisture-wicking treatment: keeps workers cool and dry underarm vents: for optimal airflow black paneling: hides sweat, dirt and dust for long-lasting wear sun protection: upf 30+ protection from harmful uv rays chest pocket: for clipping pens or storing other small items machine washable specifications acme tools brand name ergodyne acme tools part number 23503 assembled weight (lbs) 0.41 california proposition 65 warning required no color hi-vis green country of origin china fit loose flame resistant no gender unisex high visibility yes insulated no internal supplier part # 23503 lined no machine washable yes manufacturer warranty we stand behind everything we make and guarantee our products to be free of defects in materials and worksmanship to the original purchaser for the lifetime of the product. that said, damage, abuse, and/or normal wear are not covered. mens / unisex shirt size medium outer shell material polyester package depth 15.25 in package height 1 in package weight 1 reflective safety trim reflective panels shirt collar style no collar shirt color lime shirt pocket one chest pocket shirt sleeve length short shirt style tee size m sleeve length short stitch / hem single upc 720476235033 water resistant no waterproof no workwear yes