Two lightweight stainless steel WaveSprings in the forefoot and one WaveSpring® in the heel provide:

This is the perfect year round Running Pant

Neutral & Cushioned Contains WaveSpring® technology which helps to reduce pain

which is removable to accommodate orthotics

Men's Stinger Tech Jacket Performance Running Two lightweight stainless steel WaveSpringsMade 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. Adjustable drawcord at the hem to help keep the warmth in. 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