The jt3 "Organic Cotton" Baby Envelope One-Piece

Certified Organic Softness. Ergonomic Infant Architecture.

Uncompromising garment authority for infants demands verified organic fiber purity, stretch recovery, and gentle skin-safe trim hardware. The 3-Point Baby "Organic Cotton" Envelope One-Piece is engineered from a substantial 5.9 oz/yd² (200 g/m²) certified 100% organic cotton matrix. Designed with an elasticized envelope neckline for easy over-the-head dressing, this short sleeve bodysuit features self-fabric binding along the neck, sleeve, and leg openings, finished with three color-matched, nickel-free crotch snaps for secure daily wear.

• 5.9 oz Certified Organic Cotton: Woven from pure, non-toxic certified organic cotton fibers to provide a dense, silky-smooth barrier that is soft against sensitive skin while offering high thermal comfort.
• Expandable Envelope Neckline: Engineered with overlapping shoulder seams that expand effortlessly over the head for stress-free dressing and quick garment removal.
• Shape-Retaining Ribbed Edge Binding: Reinforced with smooth self-fabric binding along the collar, arm openings, and leg cuffs to prevent stretching, sagging, or chafing over repeated washings.
• Nickel-Free Tonal Snap Enclosure: Outfitted at the crotch with three heavy-duty, nickel-free poppers color-matched to the fabric matrix for safe, hypoallergenic, and rapid diaper changes.
• Interlock-Style Flexible Knit: Formulated with natural mechanical stretch recovery that moves naturally with active infants without binding or tearing at stress points.

Find Your Perfect Fit

Infant Architecture. Comfortable Contour Fit.

This short sleeve one-piece features an anatomical infant fit with expandable neck openings and room through the seat for cloth or disposable diaper coverage.

• Fit Profile: True to size for a classic, snug infant fit. Size up if extra room for growth or heavy diaper layering is preferred.

Product Measurements

To ensure a flawless fit, lay a favorite baby bodysuit flat on a hard surface and compare its measurements to the chart below.

A Length

Measure from the highest point of the shoulder seam down to the snapped bottom hem.

B Width

Measure across the chest 1″ below the armhole seams from side to side.

Size Chart