Welcome to Cottonil US Official Website
Free shipping for orders over $99
You have %itemCount% in your cart.Total being %total%
Products will be delivered between 1 and 5.
Experience all-day comfort with the Cottonil Set of 3 Relax Underwear Sets, featuring both top and bottom pieces made from premium soft cotton with added stretch. Designed for everyday ease, each set includes a short-sleeve undershirt and matching briefs that deliver breathability, flexibility, and a smooth fit. Available in timeless colors — black, grey, and blue — for effortless comfort and style.
Material: 95% premium cotton, 5% Lycra for softness and flexibility
Colors: Black, Grey, Blue (set of 3 complete sets – top & bottom)
Includes: 3 undershirts + 3 briefs
Fit: Regular, flexible fit for maximum comfort
Features: Breathable fabric, soft texture, shape retention, durable elastic waistband
Care Instructions: Machine wash cold, tumble dry low, do not bleach
You can return most items for a refund or store credit within 30 days of delivery. Return shipping costs may apply, and the item must be in its original condition and packaging to be accepted.
Orders over $00 qualify for FREE shipping. Orders under $00 have a flat shipping rate of $00. If your order does not qualify for free shipping, any associated shipping costs will be listed in your cart and at checkout.
Washing - Cotton is machine washable and it is advised to use warm water. Drying - Cotton clothing should be hang dried. High setting on Dryer can also be used. Ironing - Use iron on high temperature.
Measure over bare skin, keep the tape level and snug but not tight. Between two sizes? Take the larger one — cotton settles after the first wash.
Around the fullest part, under the arms, arms relaxed at your sides.
Around the natural waistline, roughly where you wear the elastic.
Around the widest point of the seat, feet together.
This site requires cookies in order to provide all of its functionality.