Tops

Bottoms

Hats

Gloves

Socks

Size	Chest	Neck	Sleeve
XS	33"-35"	13.5" - 14"	32" - 33”
S	36"-38"	15.5" - 16"	33" - 34"
M	39"-41"	16" - 16.5"	34" - 35"
L	42"-45"	16.5" - 17"	35" - 36"
XL	46"-48"	17.5" - 18"	36" - 37"
XXL	49"-51"	18.5" - 19"	37" - 38"
3XL	52"-54"	19.5" - 20"	37" - 38"
4XL	55"-57"	20.5" - 21"	37" - 38"

Size	Waist	Hip	Inseam
XS	33"	20"	26"
S	35"	22"	28"
M	37"	24"	30"
L	39"	26"	32"
XL	41"	28"	34"
XXL	43"	30"	36"
3XL	45"	32"	38"
4XL	47"	34"	40"

Size	Head Circumference
S/M	21.25"-22.75"
L/XL	22"-23.5"
One Size	21.25"-23.5"

Size	Hand - Circumference in CM	Hand - Length in CM
XS	18 - 19	6 - 17
S	19 - 21	17 - 19
M	21 - 22	19 - 20
L	22 - 24	20 - 21
XL	24 - 26	21 - 23
2XL	26+	23+
-	-	-
S/M	18 - 22	16 - 20
L/XL	22 - 26+	20 - 23+

Size	Men's - US Shoe Size	Women's - US Shoe Size
S	-	5-8
M	6 - 9	8-11
L	9 - 12	11+
XL	12+	-

*These are body measurements. Not all items are offered in all sizes

How to measure

Chest: Measure around the fullest part of your chest, keeping the tape level and snug under your arms

Neck: Wrap the tape around the base of your neck where a collar would sit - don't pull too tight.

Sleeve: With your arm relaxed at your side, measure from the center back of your neck over the shoulder and down to your wrist.

HATS- Measure around your head, right above your eyebrows

Men's Midstream Insulated Pant

$299.95

Color: Jasper

Size:

Free standard shipping on orders over $150

Product Locator by Locally

Description

Wool's natural properties provide resilience and comfort across a wide range of temperatures and humidity, plus it offers exceptional odor resistance — ideal for travel, daily wear, and backcountry stays. Lavalan® Sport brings the timeless benefits of wool insulation to modern technical outerwear, offering a natural, renewable solution for temperature and moisture management — perfect for streamlining your kit on extended trips. When it's cold and damp, nothing brings back the cozy like a pair of insulated pants. Whether it's a chilly summer evening in camp, or you're extending the season year-round, Midstream Pants prove versatile and comfortable.

Lavalan® Sport 40G wool lofted insulation
Abrasion-resistant nylon textiles used for both face and liner with C0 DWR finish for water resistance
Durable nylon overlays on the knees and seat
Integrated belt with quick-release buckle and elastic waistband ensures a comfortable fit
Zip fly construction
Two front drop-in hand pockets and two rear drop-in pockets
Articulated knee and gusset construction for freedom of movement

Fabric Tech:

Main/Liner: 85% Nylon, 15% Spandex woven; Overlays: 96% Nylon (45% recycled) / 4% Spandex woven

Insulation: 70% Virgin Wool, 30% Corn Based PLA

Key Details

• Lavalan® Sport 40G wool lofted insulation
• Abrasion-resistant nylon textiles used for both face and liner with C0 DWR finish for water resistance
• Durable nylon overlays on the knees and seat
• Integrated belt with quick-release buckle and elastic waistband ensures a comfortable fit
• Zip fly consruction
• Two front drop-in hand pockets and two rear drop-in pockets
• Articulated knee and gusset construction for freedom of movement

Returns

$2.98 Unlocks Easy Returns

Simms offers returns on items purchased from the simmsfishing.com website within 60 days. When placing your order, you will have the option to pay $2.98 to avoid additional handling fees should you or a gift recipient need to return any or all items. Alternatively, you may return your item(s) for the flat rate of $10 at the time of return.

Find out more about our easy online returns process here or start a return now.

Items purchased on final clearance, stickers, certain oversize items and custom wader orders are not eligible for returns.
Select oversize and odd-shaped items are not eligible for free shipping on returns as noted in the product description.
Canadian shoppers, please note:** All sales are final. Flat rate fee options are not available for customers outside of the United States.