The Iron Heart IHTL-1301 heavy thermal crew neck long sleeve T-shirt is a heavyweight Japanese-made waffle knit top built with durability and thermal insulation in mind. Featuring four-needle flat seam construction, thick 100 percent cotton waffle fabric, and a clean crew neck silhouette, this long sleeve shirt is ideal for layering or wearing on its own.
Iron Heart is known for its ultra-heavy garments designed for motorcycle riders, workers, and enthusiasts of rugged, long-lasting clothing. From 21oz denim to heavy flannels and thermal tops, Iron Heart builds clothing that ages beautifully and performs under demanding conditions. The IHTL-1301 continues this philosophy with its robust waffle fabric and functional flat seam construction.
| Size | Body Length | Shoulder Width | Chest | Hem | Sleeve Length | Cuff Opening |
|---|---|---|---|---|---|---|
| XS | 24.21 in | 14.57 in | 29.92 in | 26.77 in | 22.05 in | 3.54 in |
| S | 25.20 in | 15.35 in | 33.07 in | 29.92 in | 22.83 in | 3.54 in |
| M | 26.18 in | 16.14 in | 36.22 in | 33.07 in | 23.62 in | 3.74 in |
| L | 27.17 in | 16.93 in | 39.37 in | 36.22 in | 24.41 in | 3.74 in |
| XL | 28.15 in | 17.72 in | 42.52 in | 39.37 in | 25.20 in | 3.94 in |
| XXL | 29.13 in | 18.50 in | 45.67 in | 42.52 in | 25.98 in | 4.13 in |