TYR Men's Durafast One Jammer Swimsuit - Durable Training Fit Athletic

In this review of the TYR Men's Durafast One Jammer Swimsuit the bottom line is simple: it is built for swimmers and performance athletes who need a durable, no-nonsense training jammer that keeps its fit and color through heavy use. The most compelling reason to buy is longevity - the 100% polyester Durafast One fabric is designed to resist chlorine and sun fading so the jammer retains compression and appearance session after session. For lap swimmers, triathletes training in open water, or anyone who wants a reliable above-the-knee fit, this jammer balances support and freedom of motion.

Key Features

• 100% Polyester Durability: The fabric is described as up to 20 times stronger than traditional swimwear, providing long-term resistance to chlorine and wear.
• Above-the-Knee Championship Cut: The jammer hits above the knee for competitive coverage while allowing full range of leg motion during kicks and turns.
• 4-Way Stretch Technology: Built-in stretch offers comfortable compression without restricting stroke mechanics or hip movement.
• UPF 50+ Sun Protection: The material provides high sun protection for outdoor pool sessions and open-water training.
• Adjustable Drawcord Waist: A secure, customizable waistband keeps the jammer in place during starts and dives.
• Fully Lined Construction: The lining adds modesty and helps the jammer keep its shape under repeated use and exposure.

Who It's For

The Durafast One Jammer is best for lap swimmers, swim team members, and multisport athletes who train frequently and need a suit that resists chlorine fade and maintains compression. Its above-the-knee cut and 4-way stretch make it suited to drills, sprints, and longer aerobic sets where freedom of motion matters.

Swimmers seeking performance race suits or tech fabrics designed specifically for competition-level drag reduction should look elsewhere; this jammer prioritizes durability and consistent fit over marginal hydrodynamic gains. Also, athletes who need a loose or boardshort style should choose a different category entirely.

Pros & Cons

Pros

• High durability resists chlorine and sun fading, so the suit lasts longer through heavy training.
• Compression fit with 4-way stretch provides good support and comfortable movement in the water.
• UPF 50+ and fully lined construction add sun protection and shape retention for outdoor use.
• Adjustable drawcord waist keeps the jammer secure during starts and turns.

Cons

• Some reviewers note sizing can run slightly small, so careful size selection may be needed.
• Not designed as a race-only tech suit, so competitive swimmers seeking minimal drag may prefer specialty race models.

Specifications

Brand	TYR
Material	100% Polyester
Cut	Above the knee, championship cut
Stretch	4-way stretch
Sun Protection	UPF 50+
Waist	Adjustable drawcord
Construction	Fully lined

Our Verdict

The TYR Durafast One Jammer is a practical, durable training jammer that represents good value for swimmers who log frequent pool or open-water sessions. Its 100% polyester construction and colorfast finish mean it keeps shape and appearance over time, making it a smart purchase for athletes who prioritize longevity and dependable compression over race-only performance fabrics.

Frequently Asked Questions

Are these jammers true to size?
Many customers find the fit accurate, but some report they run slightly small, so check sizing charts and consider sizing up if between sizes.

How well do the colors hold up?
The Durafast One fabric is made to resist chlorine and sun fading, and customers report that colors remain stable after prolonged use.

Is this suitable for open-water swimming?
Yes; the UPF 50+ and durable polyester construction make it appropriate for outdoor pools and open-water training.