New Arrival

Klim Aggressor 1.0 Baselayer Pant

Name: Klim Aggressor 1.0 Baselayer Pant
Brand: Klim USA
SKU: 3357-007-120-000
Price: 49.99 USD
Availability: InStock

$49.99

Shipping calculated at checkout.

SKU: 3357-007-120-000

Color: Black Black

Size: Small Small Medium Large XL 2XL 3XL 4XL 5XL

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Description

The KLIM Aggressor 1.0 Base Layer Pant is designed for riders who need versatile performance across a wide range of temperatures and riding conditions. Positioned between KLIM's cooling-focused Aggressor -1.0 and the warmer Aggressor 2.0, the Aggressor 1.0 delivers an ideal balance of moisture management, breathability, and light warmth for active powersports use. The smooth next-to-skin fabric efficiently moves moisture away from the body while maintaining a low-profile fit that layers comfortably beneath bibs, riding pants, and outerwear. Fast-drying construction, antimicrobial treatment, and stretch comfort help riders stay comfortable during long days on the snow, trail, or road. Lightweight, versatile, and purpose-built for powersports, the Aggressor 1.0 Base Layer Pant is basically designed for riders who want one base layer that performs well in almost every condition.

Brand: KLIM
Product Type: Synthetic Performance Base Layer Pant
Construction: Lightweight performance stretch fabric
Material Composition: 84% polyester, 16% spandex
Fabric Weight: 170g fabric construction
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
Comfort Construction: Smooth next-to-skin finish maximizes moisture pickup and transmission
Engineered Use: Designed specifically for use with KLIM® mid-layers and outerwear
Temperature Management: Designed for high-intensity output activities
Ideal Use: Snowmobiling, trail riding, adventure riding, off-road riding, and year-round powersports layering
Additional Features:
- Excellent moisture transport performance
- Low-bulk construction layers comfortably under outerwear
- Fast-drying fabric improves comfort during active riding
- Stretch construction enhances mobility
- Versatile enough for a wide range of temperatures
- Built for riders who need one dependable base layer instead of a different setup for every forecast

Reviews and Q&A

FAQs

Where does the KLIM Aggressor 1.0 Pant fit in the KLIM layering system?

The Aggressor 1.0 sits between the cooling-focused Aggressor -1.0 and the warmer Aggressor 2.0. It provides light warmth, excellent moisture management, and versatile all-around performance.

Is the KLIM Aggressor 1.0 Pant moisture wicking?

Yes. The smooth next-to-skin fabric is engineered to maximize moisture pickup and transmission while remaining highly breathable and fast drying.

How warm is the KLIM Aggressor 1.0 Pant?

It provides light insulation and excellent temperature regulation without the added warmth of the Aggressor 2.0 or 3.0 layers.

Is the KLIM Aggressor 1.0 Pant good for active riding?

Absolutely. It was designed specifically for high-intensity output activities where moisture management, breathability, and comfort are critical.

Who should choose the KLIM Aggressor 1.0 Pant?

Riders looking for a versatile base layer that performs across a broad range of temperatures will appreciate the Aggressor 1.0. It offers more warmth than the cooling-focused -1.0 while remaining lighter and more breathable than the Aggressor 2.0 or 3.0 options.

New Arrival

Klim Aggressor 1.0 Baselayer Shirt

$49.99

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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FXR 2026 Snow Launched!

Klim 2026 Off Road Launched!

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Huge Selection of Snowmobile T-Shirts

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Klim Aggressor 1.0 Baselayer Pant

Description

Reviews and Q&A

FAQs

Where does the KLIM Aggressor 1.0 Pant fit in the KLIM layering system?

Is the KLIM Aggressor 1.0 Pant moisture wicking?

How warm is the KLIM Aggressor 1.0 Pant?

Is the KLIM Aggressor 1.0 Pant good for active riding?

Who should choose the KLIM Aggressor 1.0 Pant?

STYLE IT WITH

STYLE IT WITH

Klim Aggressor 1.0 Baselayer Shirt

FREE SHIPPING

COMPETITIVE PRICE MATCH

EXPERT SERVICE