We've compared over 200 base layers and selected the best ones for each season and purpose, and how to choose the perfect one for you.
Comparison , THE NORTH FACE , Mountaineering Introduction , to Choose , Recommendations , CAYL , Base Layers , HERENESS , ibex , Patagonia , Mountain Hardwear , NORRONA , Rab
Written by Yasushi Hisatomi
![[2025 Honest, Out-of-Pocket Comparison Review] A Thorough Comparison of 7 Ultra-Lightweight, Ultra-Comfortable, and Ultra-Cost-Effective Closed-Cell Mats! [For Beginners and UL Hikers]](https://outdoorgearzine.com/wp-content/uploads/IMG_20250721_110600.jpg "[2025 Honest, Out-of-Pocket Comparison Review] A Thorough Comparison of 7 Ultra-Lightweight, Ultra-Comfortable, and Ultra-Cost-Effective Closed-Cell Mats! [For Beginners and UL Hikers]")
![[Comparison verification] SOL "Escape Vivi" series 3 models: What's the difference? Which one should I choose? Complete guide to "How to use this model" that I learned from actual use](https://outdoorgearzine.com/wp-content/uploads/IMG_3458.jpg "[Comparison verification] SOL "Escape Vivi" series 3 models: What's the difference? Which one should I choose? Complete guide to "How to use this model" that I learned from actual use")
![[A self-paying comparison review without any consideration] It's light, comfortable, and makes your sweat come off. Practical tests are the top 10 best candidates from the evolving windshell top 10.](https://outdoorgearzine.com/wp-content/uploads/1000040551_R.jpg "[A self-paying comparison review without any consideration] It's light, comfortable, and makes your sweat come off. Practical tests are the top 10 best candidates from the evolving windshell top 10.")
![Five reasons why Yamano professionals continue to use Iska's high-quality down sleeping bag, Air Plus. This is the difference between the sleeping bags of manufacturers who know the mountains of Japan [not Montbell or Nanga]](https://outdoorgearzine.com/wp-content/uploads/IMG_8328.jpeg "Five reasons why Yamano professionals continue to use Iska's high-quality down sleeping bag, Air Plus. This is the difference between the sleeping bags of manufacturers who know the mountains of Japan [not Montbell or Nanga]")
![[Comparison review without any consideration] Which is the best time to buy PRIMUS' "Single Burner for Mountaineering" now? Comparing it in the actual field [A surprising result]](https://outdoorgearzine.com/wp-content/uploads/1c277098d6598537e330b25aa0bdfd0f.jpg "[Comparison review without any consideration] Which is the best time to buy PRIMUS' "Single Burner for Mountaineering" now? Comparing it in the actual field [A surprising result]")
![[A self-paying comparison review without any consideration] Is the extremely cost-effective domestically produced super-heated bottle "TEMPEAK LIGHT" capable of comparable to Thermos Montbell? [Comparison verification]](https://outdoorgearzine.com/wp-content/uploads/IMG_9907_edit.jpg "[A self-paying comparison review without any consideration] Is the extremely cost-effective domestically produced super-heated bottle "TEMPEAK LIGHT" capable of comparable to Thermos Montbell? [Comparison verification]")
![[Latest 2025 Edition] Recommended headlamps and clever ways to choose the best ones by purpose and purpose, as we have seen from comparisons in actual fields.](https://outdoorgearzine.com/wp-content/uploads/IMG_7404-2.jpeg "[Latest 2025 Edition] Recommended headlamps and clever ways to choose the best ones by purpose and purpose, as we have seen from comparisons in actual fields.")
