The Brooklyn Bedding Deep Pocket Sheet Set wins overall for its durable percale weave and certified OEKO-TEX standard. For a budget-friendly alternative, the Mellanni Microfiber Sheet Set offers great value and owner-reported softness.
Full extra long (XL) sheets are a niche size often needed for college dorm beds or specific adjustable bases. We compared seven top-rated sets based on fabric type, certifications (OEKO-TEX, CertiPUR-US), owner reviews, and dimensions to find the ones that fit well and hold up after many washes.
Our rankings prioritize material quality, percale vs. sateen weaves, and feedback from owners who report on shrinkage, pilling, and overall comfort. We excluded sets with poor fit reports or dubious certifications.

This percale sheet set is made from 100% long-staple cotton with a 270 thread count. It features deep pockets up to 16 inches and is OEKO-TEX certified. Owners praise its crisp feel that softens over time.
We do not take payment for placement and we do not physically test products. Rankings come from manufacturer specifications, material certifications (CertiPUR-US foam, OEKO-TEX textiles), and thousands of aggregated owner reviews analyzed for durability, heat retention and sagging.

Sleepers who want a crisp, breathable fit that stays put · Type: Cotton Percale | Firmness: Medium | Trial: 30 days
This percale sheet set is made from 100% long-staple cotton with a 270 thread count. It features deep pockets up to 16 inches and is OEKO-TEX certified. Owners praise its crisp feel that softens over time.
What owners report: Owners repeatedly mention the tight elastic and secure fit on thick mattresses. Many report minimal wrinkling and no pilling after months of use.

Budget-conscious shoppers wanting softness and durability · Type: Microfiber | Firmness: Soft | Trial: 30 days
Made from double-brushed microfiber, this set offers a super-soft feel at an affordable price. It comes with a fitted sheet up to 16 inches deep and is wrinkle-resistant. Certified OEKO-TEX.
What owners report: Many owners highlight the luxurious softness and that the color doesn't fade. A few note that microfiber can trap heat for hot sleepers.
Hot sleepers who prefer lightweight cotton · Type: Cotton Percale | Firmness: Medium | Trial: 30 days
This combed cotton percale set is 200 thread count but specially finished for airflow. It is OEKO-TEX certified and launders well. Owners describe it as crisp and cool.
What owners report: Owners appreciate the light, airy feel and that it doesn't shrink excessively. Some wish for deeper pockets on thicker mattresses.

Side sleepers wanting a silky, pressure-relieving feel · Type: Bamboo Rayon | Firmness: Soft | Trial: 30 days
Made from rayon from bamboo, these sheets have a smooth, sateen-like finish that reduces friction. They are OEKO-TEX certified and have deep pockets up to 16 inches. Owners love the buttery softness.
What owners report: Side sleepers often mention reduced shoulder pressure and that the fabric stays cool. A few owners report pilling after several washes.
Eco-conscious shoppers seeking organic materials · Type: Bamboo Viscose | Firmness: Medium | Trial: 100 days
These sheets are made from organic bamboo viscose and are OEKO-TEX certified. They feature a sateen weave and deep pockets. Owners note they are soft and breathable.
What owners report: Many owners appreciate the eco-friendly materials and that the set remains soft after multiple washes. Some report that the fitted sheet could be deeper.
Sleepers who prefer a textured, firm feel and high durability · Type: Linen | Firmness: Firm | Trial: 30 days
This stonewashed linen set is pre-washed for softness but retains linen's firm, textured hand. It is OEKO-TEX certified and deep-pocketed. Owners appreciate its durability and temperature regulation.
What owners report: Owners often note that linen softens over time and feels substantial. Some caution about the initial stiffness and that wrinkles are inevitable.

Sleepers wanting a blend of softness and eco-friendliness · Type: TENCEL Lyocell | Firmness: Medium | Trial: 50 days
Made from TENCEL lyocell (eucalyptus fibers), these sheets are naturally moisture-wicking and biodegradable. They have a sateen weave and deep pockets. Owners report a silky, cool feel.
What owners report: Owners rave about the soft, cool-to-the-touch feel and that the fabric doesn't pill. A few mention the high price point compared to microfiber.
A full XL mattress measures 54 inches wide by 80 inches long (5 inches longer than a standard full). Sheet sets labeled full XL or full extra long fit these dimensions.
Most full XL mattresses are around 10-14 inches thick. Look for sheets with pocket depths of at least 15 inches to accommodate thicker mattress toppers or adjustable bases.
Cotton percale and linen are naturally breathable options. Bamboo and TENCEL also wick moisture well. Avoid microfiber if you sleep hot.
Cotton and linen can shrink up to 3-5% on the first wash. Microfiber and bamboo typically shrink less. Check pre-shrunk labels or buy slightly oversized.
High-quality cotton or linen sheets can last 2-3 years with proper care. Microfiber may last 1-2 years. Replace when they show thinning, pilling, or loss of fit.
For most people, the Brooklyn Bedding Deep Pocket Sheet Set offers the best fit and long-lasting quality. If you need a budget-friendly option, the Mellanni Microfiber Sheet Set provides great softness and value. For hot sleepers, the California Design Den Cotton Percale set is a top pick.