![](https://dh36nblqpps8a.cloudfront.net/assets/banners/category-headers/category-base-layers-2023.jpg)
Base Layers & Insulation
Designed to be worn seamlessly under dry wear and dry suits or casually around camp, NRS base layers feature advanced insulation and unrestricted mobility. Layer up with Expedition Weight for the coldest of days, or grab some mid-weight, breathable insulation from the Lightweight series. Mix-and-match with pants and shirts to hoodies and full union suits.
![Image for NRS Men's Expedition Weight Shirt - Closeout](https://dx0dyd9jru7i3.cloudfront.net/10130_06_DarkShadow_Lg_Front_100421_500x500.jpg)
NRS Men's Expedition Weight Shirt - Closeout
![Image for NRS Men's Expedition Weight Union Suit - Closeout](https://dx0dyd9jru7i3.cloudfront.net/10132_05_DarkShadow_Lg_Front_100421_500x500.jpg)
NRS Men's Expedition Weight Union Suit - Closeout
![Image for NRS Women's Expedition Weight Hoodie - Closeout](https://dx0dyd9jru7i3.cloudfront.net/10134_02_Poseidon_Med_Front_072721_500x500.jpg)
NRS Women's Expedition Weight Hoodie - Closeout
![Image for NRS Women's Expedition Weight Union Suit - Closeout](https://dx0dyd9jru7i3.cloudfront.net/10161_01_Poseidon_Med_Front_072421_500x500.jpg)
NRS Women's Expedition Weight Union Suit - Closeout
![Image for NRS Women's Expedition Weight Pant - Closeout](https://dx0dyd9jru7i3.cloudfront.net/10137_06_DarkShadow_Med_Front_070821_500x500.jpg)
NRS Women's Expedition Weight Pant - Closeout
![Image for NRS Women's Lightweight Hoodie - Closeout](https://dx0dyd9jru7i3.cloudfront.net/10121_05_Vino_Med_Front_070821_500x500.jpg)
NRS Women's Lightweight Hoodie - Closeout
![Image for NRS Women's Expedition Weight Shirt - Closeout](https://dx0dyd9jru7i3.cloudfront.net/10135_06_DarkShadow_Med_Front_070821_500x500.jpg)
NRS Women's Expedition Weight Shirt - Closeout
![Image for NRS Women's Lightweight Union Suit - Closeout](https://dx0dyd9jru7i3.cloudfront.net/10162_01_Vino_Med_Front_070821_500x500.jpg)
NRS Women's Lightweight Union Suit - Closeout