While the core Dual WaveSpring cushioning technology is the same

Fleece backed for added warmth

Both ends of the gear bag contain both a velcro closure pocket and a smaller zippered pocket

Unique combination Last shape for better forefoot toe splay

Women's Stinger Tech PullOver Size:XL While the core Dual WaveSpringMade from Polartec Power Stretch for warmth and softness. Polartec is non pilling, breathable and keeps you warm and dry even if the elements are not. Zipper at the neck at the help regulate the temperature. Abrasion resistant upper body and elbows provides reinforcement and durability. Polartec Power Stretch Body Hugging 4 way stretch Keeps your skin dry when you sweat Provides Warmth Without Weight Highly Breathable to Provide Comfort in All