New Arrival

Klim Aggressor 3.0 Baselayer Pant

Name: Klim Aggressor 3.0 Baselayer Pant
Brand: Klim USA
SKU: 3286-003-170-000
Price: 79.99 USD
Availability: OutOfStock

$79.99

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SKU: 3286-003-170-000

Color: Black Black

Size: 3XL Small Medium Large XL 2XL 3XL

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Description

The KLIM Aggressor 3.0 Base Layer Pant is built for riders who refuse to let brutal winter temperatures dictate when they ride. As the warmest men's synthetic base layer in the KLIM layering system, the Aggressor 3.0 utilizes a heavyweight 255g gridded fabric construction that efficiently traps body heat while continuing to provide the moisture management and breathability required for active riding. Designed specifically for powersports, the low-profile construction layers comfortably beneath bibs and outerwear without creating excess bulk, while the athletic fit and stretch fabric maintain unrestricted mobility throughout the day. Moisture-wicking, anti-microbial, and fast-drying properties help riders stay comfortable through changing conditions and varying activity levels. Built for extreme cold and long days on the snow, the Aggressor 3.0 Base Layer Pant is basically designed for riders who see sub-zero temperatures as an invitation rather than a warning.

Brand: KLIM
Product Type: Heavyweight Performance Base Layer Pant
Construction: Gridded warming base-layer design
Material Composition: 93% polyester, 7% spandex
Fabric Weight: 255g heavyweight fabric construction
Heat Retention: Gridded fabric design traps maximum warmth
Moisture Management: Moisture-wicking performance fabric
Breathability: Highly breathable active-use construction
Drying Performance: Fast-drying fabric technology
Odor Control: Anti-microbial treatment
Fit: Athletic fit
Comfort Features: Low-profile "imperceptible" seams reduce irritation and bulk
Layering: Low-profile design optimized for minimum-bulk layering
Engineered Use: Designed specifically for use with KLIM® mid-layers and outerwear
Temperature Management: Built for extreme cold-weather and high-intensity winter riding
Ideal Use: Snowmobiling, trail riding, touring, ice fishing, winter recreation, and extreme cold-weather powersports activities
Additional Features:
- KLIM's warmest men's synthetic base layer pant
- Excellent heat retention without excessive bulk
- Fast-drying construction improves comfort during long rides
- Purpose-built for powersports use
- Works seamlessly within KLIM layering systems
- Built for riders who check the forecast, see negative numbers, and still pack extra fuel instead of extra blankets

Reviews and Q&A

FAQs

Is the KLIM Aggressor 3.0 Pant the warmest base layer pant KLIM makes?

Yes. The Aggressor 3.0 is KLIM's warmest men's synthetic base-layer pant, utilizing a heavyweight 255g gridded fabric construction specifically designed to maximize heat retention in cold-weather riding conditions.

How warm is the KLIM Aggressor 3.0 Base Layer Pant?

It provides substantially more insulation than the Aggressor 1.0 and Aggressor 2.0 while maintaining the breathability needed for active riding.

What does the gridded fabric construction do?

The gridded interior traps warm air in small pockets to improve insulation while still allowing moisture vapor to escape, creating an excellent balance of warmth and comfort.

Is the KLIM Aggressor 3.0 Pant moisture wicking?

Yes. Despite being KLIM's warmest synthetic base layer, the Aggressor 3.0 remains highly moisture wicking, breathable, and fast drying to help regulate comfort during active winter riding.

Who should choose the KLIM Aggressor 3.0 Base Layer Pant?

Riders who regularly face very cold temperatures, long trail rides, winter touring, or extended outdoor exposure will benefit most from the Aggressor 3.0. It's the ideal choice when maximum warmth is the priority.

New Arrival

Klim Aggressor 3.0 Baselayer Shirt

$79.99

View details

Size (U.S.)	XS	SM	MD	LG	XL	2X	3X	4X	5X
Chest	30-33.5 in	33.75-37.5 in	37.75-41.25 in	41.75-45.25 in	45.75-49.25 in	49.5-53.25 in	53.5-57 in	57.5-61 in	61.5-65 in
Waist	26.75-30.25 in	30.75-34.25 in	34.75-38.25 in	38.5-42.25 in	42.5-46 in	46.5-50 in	50.5-52.25 in	54.25-56.25 in	58.25-60.25 in
Hip	29.5-33 in	33.5-37 in	37.5-41in	41.25-45 in	45.25-48.75 in	49.25-52.75 in	53.25-56.75 in	57-60.75 in	61-64.5 in
Across Shoulder	15.25-16 in	16.25-17 in	17.25-18 in	18-19 in	19-20 in	20-20.75 in	21-21.75 in	22-22.75 in	23-23.75 in
Sleeve	30-31.5 in	30.75-32.25 in	31.5-33 in	32.25-33.75 in	32.75-34.25 in	33-34.75 in	33-34.75 in	33-34.75 in	33-34.75 in
Bicep Circumference	10.75-11.75 in	11.75-12.75 in	12.75-13.75 in	13.75-14.75 in	14.75-15.75 in	15.75-16.75 in	16.75-17.75 in	17.75-18.75 in	18.75-19.75 in
Elbow Circumference	9.75-10.75 in	9.75-10.75 in	11-12.25 in	11-12.25 in	12.25-13.75 in	12.25-13.75 in	13-14.25 in	13-14.25 in	13-14.25 in
Forearm Circumference	10.75-11.5 in	11-11.75 in	11.5-12.25 in	11.75-12.5 in	12.5-13.75 in	12.5-13.75 in	13-14.25 in	13-14.25 in	13-14.25 in
Wrist Circumference	6.25-7 in	6.25-7 in	6.75-7.5 in	7-7.75 in	7-7.75 in	7.5-8.25 in	7.5-8.25 in	7.5-8.25 in	7.5-8.25 in
Thigh Circumference	20.75-22.25 in	21.25-22.75 in	22.75-24.25 in	24-25.5 in	25.5-27 in	26.75-28.25 in	28.25-29.75 in	29.5-31 in	31-32.5 in
Mid Thigh Circumference	18.5-20.5 in	19.25-21.25 in	20.25-24.25 in	21.25-23.25 in	22.25-24.25 in	23.25-25.25 in	24.25-26.25 in	25.25-27.25 in	26.25-28.25 in
Knee Circumference	13.75-15 in	14.25-15.25 in	15-16.5 in	15.75-17 in	17.25-18.5 in	17.25-18.5 in	17.25-18.5 in	17.25-18.5 in	17.25-18.5 in
Calf Circumference	14.25-15 in	14.25-15 in	15-16.5 in	15-16.5 in	17-18.5 in	17-18.5 in	17-18.5in	17-18.5 in	17-18.5 in
Ankle Circumference	9.75-10.75 in	9.75-10.75 in	9.75-10.75 in	10.75-11.5 in	10.75-11.5 in	10.75-11.5 in	11-12.25 in	11-12.25 in	11-12.25 in
Inseam (Extra Short)	28 in	28 in	28 in	28 in	28 in	28 in	28 in	28 in	28 in
Inseam (Short)	30 in	30 in	30 in	30 in	30 in	30 in	30 in	30 in	30 in
Inseam (Regular)	32 in	32 in	32 in	32 in	32 in	32 in	32 in	32 in	32 in
Inseam (Tall)	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in

Size (U.S.)	XS	SM	MD	LG	XL	2X	3X	4X	5X
Chest	76.20-85.09 cm	85.72-95.25 cm	95.89-104.78 cm	106.05-114.94 cm	116.20-125.09 cm	125.73-135.25 cm	135.89-144.78 cm	146.05-154.94 cm	156.21-165.10 cm
Waist	67.95-76.84 cm	78.11-87.00 cm	88.27-97.16 cm	97.79-107.31 cm	107.95-116.84 cm	118.11-127.00 cm	128.27-132.72 cm	137.80-142.88 cm	147.96-153.03 cm
Hip	74.93-83.82 cm	85.09-93.98 cm	95.25-104.14 cm	104.78-114.30 cm	114.94-123.83 cm	125.09-133.99 cm	135.25-144.15 cm	144.78-154.31 cm	154.94-163.83 cm
Across Shoulder	38.73-40.64 cm	41.27-43.18 cm	43.81-45.72 cm	45.72-48.26 cm	48.26-50.80 cm	50.80-52.70 cm	53.34-55.24 cm	55.88-57.79 cm	58.42-60.33 cm
Sleeve	76.20-80.01 cm	78.11-81.92 cm	80.01-83.82 cm	81.92-85.72 cm	83.19-87.00 cm	83.82-88.27 cm	83.82-88.27 cm	83.82-88.27 cm	83.82-88.27 cm
Bicep Circumference	27.30-29.84 cm	29.84-32.38 cm	32.38-34.92 cm	34.92-37.47 cm	37.47-40.01 cm	40.01-42.55 cm	42.55-45.09 cm	45.09-47.63 cm	47.63-50.16 cm
Elbow Circumference	24.77-27.30 cm	24.77-27.30 cm	27.94-31.12 cm	27.94-31.12 cm	31.12-34.92 cm	31.12-34.92 cm	33.02-36.20 cm	33.02-36.20 cm	33.02-36.20 cm
Forearm Circumference	27.30-29.21 cm	27.94-29.84 cm	29.21-31.12 cm	29.84-31.75 cm	31.75-34.92 cm	31.75-34.92 cm	33.02-36.20 cm	33.02-36.20 cm	33.02-36.20 cm
Wrist Circumference	15.88-17.78 cm	15.88-17.78 cm	17.14-19.05 cm	17.78-19.68 cm	17.78-19.68 cm	19.05-20.96 cm	19.05-20.96 cm	19.05-20.96 cm	19.05-20.96 cm
Thigh Circumference	52.70-56.52 cm	53.98-57.79 cm	57.79-61.59 cm	60.96-64.77 cm	64.77-68.58 cm	67.95-71.75 cm	71.75-75.56 cm	74.93-78.74 cm	78.74-82.55 cm
Mid Thigh Circumference	46.99-52.07 cm	48.90-53.98 cm	51.44-61.59 cm	53.98-59.05 cm	56.52-61.59 cm	59.05-64.14 cm	61.59-66.67 cm	64.14-69.22 cm	66.67-71.75 cm
Knee Circumference	34.92-38.10 cm	36.20-38.73 cm	38.10-41.91 cm	40.01-43.18 cm	43.81-46.99 cm	43.81-46.99 cm	43.81-46.99 cm	43.81-46.99 cm	43.81-46.99 cm
Calf Circumference	36.20-38.10 cm	36.20-38.10 cm	38.10-41.91 cm	38.10-41.91 cm	43.18-46.99 cm	43.18-46.99cm	43.18-46.99cm	43.18-46.99cm	43.18-46.99cm
Ankle Circumference	24.77-27.30 cm	24.77-27.30 cm	24.77-27.30 cm	27.30-29.21 cm	27.30-29.21 cm	27.30-29.21cm	27.94-31.12cm	27.94-31.12cm	27.94-31.12cm
Inseam (Extra Short)	71.12 cm	71.12 cm	71.12 cm	71.12 cm	71.12 cm	71.12 cm	71.12 cm	71.12 cm	71.12 cm
Inseam (Short)	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20 cm
Inseam (Regular)	81.28 cm	81.28 cm	81.28 cm	81.28 cm	81.28 cm	81.28 cm	81.28 cm	81.28 cm	81.28 cm
Inseam (Tall)	85.72 cm	85.72 cm	85.72 cm	85.72 cm	85.72 cm	85.72 cm	85.72 cm	85.72 cm	85.72 cm

Size (U.S.)	26	28	30	32	34	36	38	40	42	44	46	48	50	52	54	56
Hip	34.25-35.00 in	35.75-37.00 in	38.25-39.00 in	40.25-41.00 in	42.25-43.00 in	44.00-45.00 in	46.00-46.75 in	48.00-48.75 in	50.00-50.75 in	52.00-52.75 in	54.00-54.75 in	56.00-56.75 in	57.75-58.75 in	59.75-60.75 in	61.75-62.50 in	63.75-64.50 in
Inseam (Short)	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in
Inseam (Regular)	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in	32.00 in
Inseam (Tall)	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in	33.75 in

Size (U.S.)	26	28	30	32	34	36	38	40	42	44	46	48	50	52	54	56
Hip	87.00-88.90 cm	90.81-93.98 cm	97.16-99.06 cm	102.23-104.14 cm	107.31-109.22 cm	111.76-114.30 cm	116.84-118.75cm	121.92-123.83cm	127.00-128.91cm	132.08-133.99cm	137.16-139.06cm	142.24-144.15cm	146.69-149.22cm	151.77-154.31cm	156.84-158.75cm	161.93-163.83cm
Inseam (Short)	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20cm	76.20cm	76.20cm	76.20cm	76.20cm	76.20cm	76.20cm	76.20cm	76.20cm	76.20cm
Inseam (Regular)	81.28 cm	81.28 cm	81.28 cm	81.28 cm	81.28 cm	81.28 cm	81.28cm	81.28cm	81.28cm	81.28cm	81.28cm	81.28cm	81.28cm	81.28cm	81.28cm	81.28cm
Inseam (Tall)	85.72 cm	85.72 cm	85.72 cm	85.72 cm	85.72 cm	85.72 cm	85.72cm	85.72cm	85.72cm	85.72cm	85.72cm	85.72cm	85.72cm	85.72cm	85.72cm	85.72cm

Size (U.S.)	XS	SM	MD	LG	XL	2X	3X
Chest	32.25-33.75 in	34.25-35.75 in	35.75-38.25 in	39.00-43.00 in	43.00-46.75 in	46.75-50.75 in	50.75-54.75 in
Waist	26.00-27.5 0in	28.00-29.50 in	29.50-32.00 in	32.75-36.50 in	36.50-40.50 in	40.50-44.50 in	44.50-48.50 in
Hip	35.50-37.00 in	37.50-39.00 in	39.25-41.00 in	42.25-46.00 in	46.00-50.00 in	50.00-54.00 in	54.00-57.75 in
Across Shoulder	14.50-15.00 in	15.00-15.25 in	15.75-16.2 5in	16.50-17.00 in	17.25-17.75 in	18.00-19.00 in	19.00-19.75 in
Sleeve	29.50-30.25 in	30.25-31.00 in	31.00-31.50 in	32.00-32.75 in	32.75-33.50 in	33.50-34.25 in	34.25-35.00 in
Bicep Circumference	9.75-10.75 in	10.75-11.50 in	11.50-12.25 in	12.25-13.25 in	13.25-14.25 in	14.25-15.25 in	15.25-16.25 in
Elbow Circumference	9.50-10.25 in	9.75-10.75 in	10.25-11.00 in	11.00-11.75 in	11.75-12.50 in	12.50-13.50 in	13.50-14.25 in
Wrist Circumference	6.00-6.75 in	6.00-6.75 in	6.25-7.00 in	6.75-7.50 in	7.00-7.75 in	7.50-8.25 in	7.75-8.75 in
Thigh Circumference	21.25-22.50 in	22.50-23.50 in	23.50-24.75 in	25.25-27.25 in	27.50-28.75 in	29.25-30.75in	31.00-32.75in
Mid Thigh Circumference	19.25-20.00 in	19.75-20.50 in	20.00-20.75 in	20.75-21.75 in	22.00-22.75 in	22.75-23.55 in	23.50-24.50 in
Knee Circumference	14.25-15.25 in	14.75-16.00 in	15.25-16.50 in	15.75-17.00 in	15.75-17.00 in	15.75-17.00 in	15.75-17.00 in
Calf Circumference	13.50-14.50 in	13.75-15.00 in	14.25-15.25 in	14.50-15.75 in	15.75-17.00 in	15.75-17.00 in	15.75-17.00 in
Ankle Circumference	7.75-9.75 in	7.75-9.75 in	7.75-9.75 in	7.75-9.75 in	8.25-10.25 in	8.25-10.25 in	8.25-10.25 in
Inseam (Extra Short)	26.00 in	26.00 in	26.00 in	26.00 in	26.00 in	26.00 in	26.00 in
Inseam (Short)	28.00 in	28.00 in	28.00 in	28.00 in	28.00 in	28.00 in	28.00 in
Inseam (Regular)	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in	30.00 in
Inseam (Tall)	32.75 in	32.75 in	32.75 in	32.75 in	32.75 in	32.75 in	32.75 in

Size (U.S.)	XS	SM	MD	LG	XL	2X	3X
Chest	81.92-85.72 cm	87.00-90.81 cm	90.81-97.16 cm	99.06-109.22 cm	109.22-118.75 cm	118.75-128.91 cm	128.91-139.06 cm
Waist	66.04-69.85 cm	71.12-74.93 cm	74.93-81.28 cm	83.19-92.71 cm	92.71-102.87 cm	102.87-113.03 cm	113.03-123.19 cm
Hip	90.17-93.98 cm	95.25-99.06 cm	99.70-104.14 cm	107.31-116.84 cm	116.84-127.00 cm	127.00-137.16 cm	137.16-146.69 cm
Across Shoulder	36.83-38.10 cm	38.10-38.73 cm	40.01-41.27 cm	41.91-43.18 cm	43.81-45.09 cm	45.72-48.26 cm	48.26-50.16 cm
Sleeve	74.93-76.84 cm	76.84-78.74 cm	78.74-80.01 cm	81.28-83.19 cm	83.19-85.09 cm	85.09-87.00 cm	87.00-88.90 cm
Bicep Circumference	24.77-27.30 cm	27.30-29.21 cm	29.21-31.12 cm	31.12-33.66 cm	33.66-36.20 cm	36.20-38.73 cm	38.73-41.27 cm
Elbow Circumference	24.13-26.04 cm	24.77-27.30 cm	26.04-27.94 cm	27.94-29.84 cm	29.84-31.75 cm	31.75-34.29 cm	34.29-36.20 cm
Wrist Circumference	15.24-17.14 cm	15.24-17.14 cm	15.88-17.78 cm	17.14-19.05 cm	17.78-19.68 cm	19.05-20.96 cm	19.68-22.23 cm
Thigh Circumference	53.98-57.15 cm	57.15-59.69 cm	59.69-62.87 cm	64.14-69.22 cm	69.85-73.03 cm	74.30-78.11 cm	78.74-83.19 cm
Mid Thigh Circumference	48.90-50.80 cm	50.16-52.07 cm	50.80-52.70 cm	52.70-55.24 cm	55.88-57.79 cm	57.79-59.82 cm	59.69-62.23 cm
Knee Circumference	36.20-38.73 cm	37.47-40.64 cm	38.73-41.91 cm	40.01-43.18 cm	40.01-43.18 cm	40.01-43.18 cm	40.01-43.18 cm
Calf Circumference	34.29-36.83 cm	34.92-38.10 cm	36.20-38.73 cm	36.83-40.01 cm	40.01-43.18 cm	40.01-43.18 cm	40.01-43.18 cm
Ankle Circumference	19.68-24.77 cm	19.68-24.77 cm	19.68-24.77 cm	19.68-24.77 cm	20.96-26.04 cm	20.96-26.04 cm	20.96-26.04 cm
Inseam (Extra Short)	66.04 cm	66.04 cm	66.04 cm	66.04 cm	66.04 cm	66.04 cm	66.04 cm
Inseam (Short)	71.12 cm	71.12 cm	71.12 cm	71.12 cm	71.12 cm	71.12 cm	71.12 cm
Inseam (Regular)	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20 cm	76.20 cm
Inseam (Tall)	83.19 cm	83.19 cm	83.19 cm	83.19 cm	83.19 cm	83.19 cm	83.19 cm

Size	XS	SM	MD	LG	XL
Numeric Size	6/6X	7/8	10/12	14/16	18
AGE	6-7	8-9	10-11	12-13	14+
HEIGHT	45.50-48.50 in	49.50-52.00 in	55.50-58.50 in	61.50-64.00 in	66.50 in
CHEST	24.00-24.75 in	25.50-26.50 in	27.50-28.50 in	30.50-32.00 in	33.50 in
WAIST	23.00-23.50 in	23.50-24.50 in	25.50-26.50 in	28.00-29.50 in	31.00 in
HIP	25.00-25.75 in	26.50-27.75 in	29.00-30.50 in	32.00-33.50 in	35.00 in

Size	XS	SM	MD	LG	XL
Numeric Size	6/6X	7/8	10	12/14	16
AGE	6-7	8-9	10-11	12-13	14+
HEIGHT	46.00-48.50 in	50.50-52.50 in	55.00 in	58.00-61.00 in	62.50 in
CHEST	24.00-24.75 in	26.00-27.00 in	28.50 in	30.00-31.50 in	33.50 in
WAIST	23.00-23.50 in	23.50-24.25 in	25.00 in	26.00-28.00 in	30.00 in
HIP	25.00-25.75 in	27.50-28.50 in	30.00 in	32.00-34.00 in	36.00 in

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Huge Selection of Snowmobile T-Shirts

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Klim Aggressor 3.0 Baselayer Pant

Description

Reviews and Q&A

Customer Reviews

FAQs

Is the KLIM Aggressor 3.0 Pant the warmest base layer pant KLIM makes?

How warm is the KLIM Aggressor 3.0 Base Layer Pant?

What does the gridded fabric construction do?

Is the KLIM Aggressor 3.0 Pant moisture wicking?

Who should choose the KLIM Aggressor 3.0 Base Layer Pant?

STYLE IT WITH

STYLE IT WITH

Klim Aggressor 3.0 Baselayer Shirt

FREE SHIPPING

COMPETITIVE PRICE MATCH

EXPERT SERVICE