If you are looking for maximum warmth without bulk — I recommend yak wool sweaters. Although these sweaters are lightweight, they provide a layer of warmth without any heaviness.
- Khunu Norgay Sweater — A minimalist zip sweater made of 100% yak wool — provides great temperature regulation — £180 ($236 USD)
- YakCharl Sweater — 100% yak wool — £192 ($252 USD)
- Vince Raglan Crew Sweater — 50% yak, 50% merino wool — $114 USD
- Vince Sierra Raglan Crew Sweater — 50% yak, 50% merino wool — $171 USD
- Bonobos Yak Blend Sweater — 50% Yak Fiber | 50% Merino Wool — $168
- Bonobos Yak Half-Zip Sweater — 50% Yak Fiber | 50% Merino Wool — $168
