Smartwool Men's Classic Thermal Merino Base Layer Bottom
variants available — selected variant links direct to its Amazon page.
These premium merino wool base layer bottoms provide exceptional warmth and moisture management for long days on cold Great Lakes tributaries. The slim fit design layers perfectly under waders without bulk, while the natural odor resistance keeps you comfortable during extended steelhead sessions.
26 of 31 Alley rivers fishing well right now — 12 in excellent shape.
Common Questions
What kind of fishing is the Smartwool Men's Classic Thermal Merino Base Layer Bottom used for?
This apparel is set up for spey & two-hand, nymphing, and float fishing targeting steelhead, trout, salmon. Each technique has a dedicated guide on Steelhead Addiction with rigging walkthroughs and water-reading tips.
What fish species does the Smartwool Men's Classic Thermal Merino Base Layer Bottom work for?
This apparel is curated for steelhead, trout, salmon. The Steelhead Addiction species field guide has biology and Great Lakes-specific tactics for steelhead and the rest.
Where do I buy the Smartwool Men's Classic Thermal Merino Base Layer Bottom?
This product is fulfilled by Amazon — currently $106.38. SteelHead Addiction does not handle inventory, payments, or shipping; Amazon does. We curate the gear and pair it with live conditions context. Click "Buy on Amazon" to complete the purchase.
Are conditions good for fishing the Steelhead Alley right now?
26 of 31 Alley rivers fishing well right now — 12 in excellent shape. Live updates for all 31 rivers run every 15 minutes — see the full dashboard on Steelhead Addiction.
As an Amazon Associate, we earn from qualifying purchases.
Features
- + 100% Merino Wool
- + Made in the USA
- + COLD WEATHER BASE LAYER. Keep your ski or hiking boots free of bulk and friction with our 3/4 Bottom. Merino wool provides ultimate comfort, while a newly redesigned base layer pants fit helps reduce sag and excess fabric—perfect for layering.
- + SLIM FIT. Designed to meet the demands of outdoor adventuring, these slim fit bottoms show off a slimming silhouette while offering unrestricted movement through the legs. Inseam: 21.5"
- + CLASSIC THERMAL MERINO. Ideal for cold-weather activities where warmth and breathability are crucial, this midweight fabric used a Merino wool construction that helps move moisture away from skin to keep you warm and dry.
- + FUNCTIONAL FEATURES. Go far, feel good with thoughtful tech to keep you trekking comfortably — interlock knitting enhances breathability, thermoregulation and moisture-wicking while flatlock seams minimize chafing for greater comfort.
- + GO FAR. FEEL GOOD. From wool socks to base layers for men, women and kids, we aim to provide the highest quality apparel for your outdoor adventures with a commitment to environmental sustainability, racial equity and inclusivity.
Specifications
- Color
- Black
- Style Name
- Merino 250 Base Layer Bottoms
- Rise Style
- High Rise
- Leg Style
- Slim
- Fit Type
- Regular
- Pattern Style
- Solid
- Pants Form Type
- Leggings
- Seasons
- All
- Apparel Closure Type
- Snap
- Front Pleat Type
- Flat Front
- Apparel Closure Orientation
- Front
- Pattern
- Solid
- Occasion Type
- hiking
- character
- Sports
- Pocket Description
- Slant Pocket
- Number Of Pockets
- 5
- Fit to Size Sentiment
- Positive
- Front Pocket Count
- 2
- Shoulder to Bottom Hem Length
- 28.67 Inches
- Sleeve Length Description
- 3/4 Sleeve
- Brand Name
- Smartwool
- Age Range Description
- adult
- Model Name
- Merino 250 Base Layer Bottoms
- Style Number
- Smartwool
- UPC
- 193392652350
- Global Trade Identification Number
- 00193392652350
- Manufacturer Part Number
- SW016361001-XL
- Manufacturer
- Smartwool
- Item Weight
- 2 Ounces
- Item Type Name
- Men's Merino 250 Baselayer Bottom
- Unit Count
- 1.00 Count
- Best Sellers Rank
- #191,386 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #76 in Men's Base...
- ASIN
- B083QD5MJQ
- Customer Reviews
- 4.7 4.7 out of 5 stars (625)...
- Material Type
- Wool
- Fabric Type
- 100% Merino Wool
- Product Care Instructions
- Machine Wash
- Fabric Stretchability
- Non-stretchable
- Apparel Fabric Weight Class
- Heavyweight
- Apparel Fabric Stretch
- No Stretch
- Inseam Length
- 21.5 Inches
Related Gear
Columbia womens Sequoia Grove Full Zip Fleece
Pendleton Mens Long Sleeve Classic Fit Board Wool Shirt
Arc'teryx Unisex Adult Grotto Toque
Juclise Alpaca Wool Boot Socks Men and Women, Heavyweight Thick Thermal Socks Cold Weather Hunting Hiking, Moisture Wicking
Pendleton Men's Short Sleeve Frontier Shirt, Cotton Polyester Short Sleeve, Machine Washable
Wanderlust Knee-High Merino Wool Compression Socks For Men and Women Charcoal
Juclise Alpaca Wool Lightweight Micro Crew Socks Moisture Wicking Anti-blister Merino Hiking Breathable Cushioned Work
HUK Men's Airweight Crew, UPF 30+ Lightweight Performance Fishing Shirt with Recycled Polyester and Raglan Sleeves
