Pattern - Thread Theory - Quadra Jeans

The Thread Theory - Quadra Jeans sewing pattern offers a modern take on the classic straight-leg jean. Featuring a slight taper and extra room in the thigh for ease of movement, these jeans sit below the waist with a moderate low rise. Designed for denim with no stretch or up to 2% elastane, Quadra Jeans combine style, comfort, and mobility. Traditional denim construction details include flat-felled inseams, a zipper fly, rivets for high-stress areas, and a two-piece waistband with a center back seam for easy fit adjustments, making this pattern ideal for home sewists or gift sewing.

Key Features

• Modern straight-leg jeans with slight taper and extra thigh room
• Moderate low-rise waist for comfortable everyday wear
• Suitable for denim, twill, or corduroy fabrics (0–2% stretch)
• Traditional denim construction: flat-felled inseams, zipper fly, rivets
• Two-piece waistband with center back seam for easy fit modifications
• Perfect for active lifestyle wear or custom gifts
• Sizes included: suitable for a range of body types

The Thread Theory Quadra Jeans pattern is a modern straight-leg jean design featuring extra thigh room, traditional denim construction, and a flexible two-piece waistband. Ideal for home sewists, this pattern works with stretch or non-stretch denim, twill, and corduroy for stylish, comfortable, and durable jeans.