Under Layer Trousers

Simms Boxer Brief Slamdown Meridian -underwear offers excellent moisture transfer and a comfortable, supportive fit for all-day wear. They are designed for active use, whether it's early morning...

Simms Strata 330 Bottom Black thermal pants provide excellent protection against the cold and are the perfect additional layer for dressing on cold days. They are made from durable and warm Storm...

Simms Women's Strata 330 Bottom Black are women's technical base layer pants that provide comfort and protection during cooler seasons. This garment is specifically designed for layering, such as...

Simms Thermal Pants offers great warm to weight ratio with its grid-fleece that traps warmth and offers great moisture management. Simms Thermal Pant info Smooth faced grid-fleece layers perfectly...

Simms Heavyweight Baselayer Bottom Black thermal pants, designed to provide optimal mobility, warmth, and moisture management with stretch micro-grid fleece. The pants feature a smooth jacquard face...

Simms Strata 200 Bottom Black thermal pants, providing excellent insulation and comfort in cold conditions. The channeled fleece construction and quick-drying material keep you warm and dry. The pants...

Simms Strata 200 Bottom Selvedge thermal pants are an excellent choice for layering. This midweight insulation layer keeps you warm and dry even in challenging weather conditions thanks to its...

Simms Lightweight Baselayer Bottom is your first layer of defense for frosty mornings and cooler fishing days ahead. Anti-odor, moisture-wicking fabrics come together for a supple, warm next-to-skin...

Simms Strata 160 Bottom Dark Grey Heather is a lightweight and comfortable base layer pant that keeps you warm and mobile during fishing. Made from a naturally temperature-regulating blend of wool and...