Marmot Men's Size Chart Soft, comfortable, and super-versatile, this short sleeve buttoner features an advanced rayon blend fabric that protects against harmful UV rays. A subtle checkered pattern goes with just about anything in your closet. It's made mostly of soft, recycled fabric. Features: - Marmot UpCycle(R) Product with Recycled Polyester - Soft, Sanded, Midweight Woven Fabric - Ultraviolet Protection Factor (UPF) 20 - Durable Flat-Felled Seams with Contrast Interior Stitch - Straight Hem and Single Patch Pocket - Fit: Regular Fit - Main materials: 77% Polynosic Rayon 15% Recycled Polyester 8% Polyester Plaid 4.2 oz/yd - Center back length: 29.25in - Weight: 0lbs 7.8oz (221.1g)