- Immersion Research K2 Long Sleeve Shirt
Immersion Research K2 Long Sleeve Shirt
The IR "K2" shirt is a loose fitting mid weight technical piece designed to fit comfortably like a t-shirt. It is made with a 7 oz Polartec Powerdry polyester single-sided fleece with a waffle grid texture on the inside. The fabric is light weight and breathable, yet surprisingly warm.