17-17.5 34/35 XL The Kirkland Signature Men’s Performance Sport Shirt is a stylish and functional piece perfect for casual occasions or sports-themed events. Made of nylon material in a plaid pattern, this button-up shirt features a collared neckline, long sleeves, and a regular fit. The blue color and sporty theme make it a versatile piece suitable for summer, fall, and spring seasons. Machine washable for easy care, this shirt is designed for comfort and durability, ideal for the modern man looking for a practical yet fashionable top.