Fully knit in Japan, the Cool Cashmere Mariner is crafted in a 90/10 cotton-cashmere blend, with a refined, ultralight feel at just 100 GSM. It’s cut with a relaxed silhouette and constructed with a bound boat neckline and ladder-stitch finishing at the hems. Fit (Relaxed): Relaxed fit with a bound boat neck. - Model is 6'0" and weighs 180lbs. He wears a size Medium and 31" bottoms. Fabric (Cotton/cashmere Blend): 90% cotton, 10% cashmere; knit in Japan. Returns (365 days): We accept returns and exchanges within 365 days of purchase as long as the products are still as good as new with original tags intact. Come by the store for a free on-the-spot return or exchange. If you’d rather return by mail, please note the $8 deduction to cover handling costs. Due to our commitment to delivering the best experience to our customers, we are unable to accept returns of shoes that show signs of wear or damage. We appreciate your understanding in this matter.